My tailor is rich (EN posts), Non-Esoteric Andalltha related stuff

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Twitter is an online social networking service and microblogging service that enables its users to send and read text-based posts of up to 140 characters, known as “tweets”. It was created in March 2006 by Jack Dorsey and launched that July. The service rapidly gained worldwide popularity, with over 300 million users as of 2011, generating over 300 million tweets and handling over 1.6 billion search queries per day. It has been described as “the SMS of the Internet.” Twitter Inc. is based in San Francisco, with additional servers and offices in New York City. Twitter’s origins lie in a “daylong brainstorming session” held by board members of the podcasting company Odeo. Dorsey introduced the idea of an individual using an SMS service to communicate with a small group. The original project code name for the service was twttr, an idea that Williams later ascribed to Noah Glass, inspired by Flickr and the five-character length of American SMS short codes. The developers initially considered “10958” as a short code, but later changed it to “40404” for “ease of use and memorability.” Work on the project started on March 21, 2006, when Dorsey published the first Twitter message at 9:50 PM Pacific Standard Time (PST): “just setting up my twttr”. “…we came across the word ‘twitter’, and it was just perfect. The definition was ‘a short burst of inconsequential information,’ and ‘chirps from birds’. And that’s exactly what the product was.” – Jack Dorsey The first Twitter prototype was used as an internal service for Odeo employees and the full version was introduced publicly on July 15, 2006. In October 2006, Biz Stone, Evan Williams, Dorsey, and other members of Odeo formed Obvious Corporation and acquired Odeo and all of its assets – including Odeo.com and Twitter.com – from the investors and shareholders. Williams fired Glass who was silent about his part in Twitter’s startup until 2011. Twitter spun off into its own company in April 2007. The tipping point for Twitter’s popularity was the 2007 South by Southwest (SXSW) festival. During the event, Twitter usage increased from 20,000 tweets per day to 60,000. “The Twitter people cleverly placed two 60-inch plasma screens in the conference hallways, exclusively streaming Twitter messages,” remarked Newsweek’s Steven Levy. “Hundreds of conference-goers kept tabs on each other via constant twitters. Panelists and speakers mentioned the service, and the bloggers in attendance touted it.” Reaction at the festival was highly positive. Blogger Scott Beale said that Twitter “absolutely ruled” SXSW. Social software researcher Danah Boyd said Twitter “owned” the festival. Twitter staff received the festival’s Web Award prize with the remark “we’d like to thank you in 140 characters or less. And we just did!”
Previous Twitter logo, used until September 14, 2010. The first unassisted off-Earth Twitter message was posted from the International Space Station by NASA astronaut T. J. Creamer on January 22, 2010. By late November 2010, an average of a dozen updates per day were posted on the astronauts’ communal account, @NASA_Astronauts. NASA has also hosted over 25 “tweetups”, events that provide guests with VIP access to NASA facilities and speakers with the goal of leveraging participants’ social networks to further the outreach goals of NASA. In August 2010, the company appointed Adam Bain as President of Revenue from News Corp.’s Fox Audience Network. On September 14, 2010, Twitter launched a redesigned site including a new logo. As chief executive officer, Dorsey saw the startup through two rounds of capital funding by the venture capitalists who backed the company. On October 16, 2008, Williams took over the role of CEO, and Dorsey became chairman of the board. On October 4, 2010, Williams announced that he was stepping down as CEO. Dick Costolo, formerly Twitter’s chief operating officer, became CEO. According to a Twitter blog, dated October 4, 2010, Williams was to stay with the company and “be completely focused on product strategy.” According to The New York Times, “Mr. Dorsey and Mr. Costolo forged a close relationship” when Williams was away. According to PC Magazine, Williams was “no longer involved in the day-to-day goings on at the company”. He is focused on developing a new startup, but he became a member of Twitter’s board of directors, and promised to “help in any way I can”. Stone is still with Twitter but is working with AOL as an “advisor on volunteer efforts and philanthropy”. Dorsey rejoined Twitter in March 2011, as executive chairman focusing on product development. His time is split with Square (where he is CEO), whose offices are within walking distance of Twitter’s in San Francisco. In September 2011, Board Members and investors Fred Wilson and Bijan Sabet resigned from Twitter’s Board of Directors. The company experienced rapid growth. It had 400,000 tweets posted per quarter in 2007. This grew to 100 million tweets posted per quarter in 2008. In February 2010, Twitter users were sending 50 million tweets per day. By March 2010, the company recorded over 70,000 registered applications. As of June 2010, about 65 million tweets were posted each day, equaling about 750 tweets sent each second, according to Twitter. As of March 2011, that was about 140 million tweets posted daily. As noted on Compete.com, Twitter moved up to the third-highest-ranking social networking site in January 2009 from its previous rank of twenty-second. Twitter’s usage spikes during prominent events. For example, a record was set during the 2010 FIFA World Cup when fans wrote 2,940 tweets per second in the thirty-second period after Japan scored against Cameroon on June 14, 2010. The record was broken again when 3,085 tweets per second were posted after the Los Angeles Lakers’ victory in the 2010 NBA Finals on June 17, 2010, and then again at the close of Japan’s victory over Denmark in the World Cup when users published 3,283 tweets per second. The current record was set during the 2011 FIFA Women’s World Cup Final between Japan and the United States, when 7,196 tweets per second were published. When American singer Michael Jackson died on June 25, 2009, Twitter servers crashed after users were updating their status to include the words “Michael Jackson” at a rate of 100,000 tweets per hour. Twitter acquired application developer Atebits on April 11, 2010. Atebits had developed the Apple Design Award-winning Twitter client Tweetie for the Mac and iPhone. The application, now called “Twitter” and distributed free of charge, is the official Twitter client for the iPhone, iPad and Mac. From September through October 2010, the company began rolling out “New Twitter”, an entirely revamped edition of twitter.com. Changes included the ability to see pictures and videos without leaving Twitter itself by clicking on individual tweets which contain links to images and clips from a variety of supported websites including YouTube, Flickr, as well as a complete overhaul of the interface, which shifted links such as ‘@mentions’ and ‘Retweets’ above the Twitter stream, while ‘Messages’ and ‘Log Out’ became accessible via a black bar at the very top of twitter.com. As of November 1, 2010, the company confirmed that the “New Twitter experience” had been rolled out to all users. On April 5, 2011, Twitter tested a new homepage, as well as phased out the “Old Twitter.” However, a glitch came about after the page was launched, so the previous “retro” homepage was still in use until the issues were resolved; the new homepage was reintroduced on April 20. On December 8, 2011, Twitter overhauled its website once more to feature the “Fly” design, which the service says is easier for new users to follow and promotes advertising. In addition to the Home button, the Connect and Discover buttons were introduced along with a redesigned profile and timeline of Tweets. The site’s layout has been compared to that of Facebook. Tweets are publicly visible by default; however, senders can restrict message delivery to just their followers. Users can tweet via the Twitter website, compatible external applications (such as for smartphones), or by Short Message Service (SMS) available in certain countries. While the service is free, accessing it through SMS may incur phone service provider fees. Users may subscribe to other users’ tweets – this is known as following and subscribers are known as followers or tweeps (Twitter + peeps). The users can also check the people who are un-subscribing them on Twitter better known as unfollowing via various services. Twitter allows users the ability to update their profile by using their mobile phone either by text messaging or by apps released for certain smartphones / tablets. Twitter has been compared to a web-based Internet Relay Chat (IRC) client. In a 2009 Time essay, technology author Steven Johnson described the basic mechanics of Twitter as “remarkably simple”. As a social network, Twitter revolves around the principle of followers. When you choose to follow another Twitter user, that user’s tweets appear in reverse chronological order on your main Twitter page. If you follow 20 people, you’ll see a mix of tweets scrolling down the page: breakfast-cereal updates, interesting new links, music recommendations, even musings on the future of education. In June 2008, Twitter launched a verification program, allowing celebrities to get their accounts verified. Originally intended to help users verify which celebrity accounts were created by the celebrities themselves (and therefore are not fake), they have since been used to verify accounts of businesses and accounts for public figures who may not actually tweet but still wish to maintain control over the account that bears their name – for example, the Dalai Lama. Verified accounts can be identified by a white check in a blue background, known as a verification badge, next to the user’s full name, on the profile itself or next to the name in search results. Users can group posts together by topic or type by use of hashtags – words or phrases prefixed with a “#” sign. Similarly, the “@” sign followed by a username is used for mentioning or replying to other users. To repost a message from another Twitter user, and share it with one’s own followers, the retweet function is symbolized by “RT” in the message. In late 2009, the “Twitter Lists” feature was added, making it possible for users to follow (as well as mention and reply to) ad-hoc lists of authors instead of individual authors. Through SMS, users can communicate with Twitter through five gateway numbers: short codes for the United States, Canada, India, New Zealand, and an Isle of Man-based number for international use. There is also a short code in the United Kingdom which is only accessible to those on the Vodafone, O2 and Orange networks. In India, since Twitter only supports tweets from Bharti Airtel, an alternative platform called smsTweet was set up by a user to work on all networks. A similar platform called GladlyCast exists for mobile phone users in Singapore, Malaysia and the Philippines. The messages were initially set to 140-character limit for compatibility with SMS messaging, introducing the shorthand notation and slang commonly used in SMS messages. The 140-character limit has also increased the usage of URL shortening services such as bit.ly, goo.gl, and tr.im, and content-hosting services, such as Twitpic, memozu.com and NotePub to accommodate multimedia content and text longer than 140 characters. Twitter uses its own t.co domain for automatic shortening of all URLs posted on its website. San Antonio-based market-research firm Pear Analytics analyzed 2,000 tweets (originating from the US and in English) over a two-week period in August 2009 from 11:00 AM to 5:00 PM (CST) and separated them into six categories. Pointless babble – 40%. Conversational – 38%. Pass-along value – 9%. Self-promotion – 6%. Spam – 4%. News – 4%. Social networking researcher Danah Boyd responded to the Pear Analytics survey by arguing that what the Pear researchers labelled “pointless babble” is better characterized as “social grooming” and/or “peripheral awareness” (which she explains as persons “wanting to know what the people around them are thinking and doing and feeling, even when co-presence isn’t viable”). Twitter is ranked as one of the ten-most-visited websites worldwide by Alexa’s web traffic analysis. Daily user estimates vary as the company does not publish statistics on active accounts. A February 2009 Compete.com blog entry ranked Twitter as the third most used social network based on their count of 6 million unique monthly visitors and 55 million monthly visits. In March 2009, a Nielsen.com blog ranked Twitter as the fastest-growing website in the Member Communities category for February 2009. Twitter had annual growth of 1,382 percent, increasing from 475,000 unique visitors in February 2008 to 7 million in February 2009. It was followed by Zimbio with a 240 percent increase, and Facebook with a 228 percent increase. Twitter has a user retention rate of forty percent. There are numerous tools for adding content, monitoring content and conversations including Twitvid (video sharing), TweetDeck, Salesforce.com, HootSuite, and Twitterfeed. Less than half of tweets are posted using the web user interface with most users using third-party applications (based on analysis of 500 million tweets by Sysomos). A word, phrase or topic that is tagged at a greater rate than other tags is said to be a trending topic. Trending topics become popular either through a concerted effort by users or because of an event that prompts people to talk about one specific topic. These topics help Twitter and their users to understand what is happening in the world. Trending topics are sometimes the result of concerted efforts by fans of certain celebrities or cultural phenomena, particularly Lady Gaga (known as Monsters), Justin Bieber (Beliebers), One Direction (Directioners), and the Twilight and Harry Potter novels. Twitter have altered the trend algorithm in the past to prevent manipulation of this type. Twitter’s 30 March 2010 blog post announced that the hottest Twitter trending topics will scroll across the Twitter homepage. Users will also be able to find out why a specific topic got to be a trending topic. There have been controversy surrounding the Twitter trending topics: Twitter censored hashtags that their users found offensive. Twitter censored the #Thatsafrican and the #thingsdarkiessay hashtags after users complained that they found the hashtags offensive. As of August 31, 2010, third-party Twitter applications are required to use OAuth, an authentication method that does not require users to enter their password into the authenticating application. Previously, the OAuth authentication method was optional, it is now compulsory and the user-name/password authentication method has been made redundant and is no longer functional. Twitter stated that the move to OAuth will mean “increased security and a better experience.” Twitter is mainly used by older adults who might not have used other social sites before Twitter, said Jeremiah Owyang, an industry analyst studying social media. “Adults are just catching up to what teens have been doing for years,” he said. According to comScore only eleven percent of Twitter’s users are aged twelve to seventeen. comScore attributes this to Twitter’s “early adopter period” when the social network first gained popularity in business settings and news outlets attracting primarily older users. However, comScore as of late, has stated that Twitter has begun to “filter more into the mainstream”, and “along with it came a culture of celebrity as Shaq, Britney Spears and Ashton Kutcher joined the ranks of the Twitterati.” According to a study by Sysomos in June 2009, women make up a slightly larger Twitter demographic than men — fifty-three percent over forty-seven percent. It also stated that five percent of users accounted for seventy-five percent of all activity, and that New York has the most Twitter users. According to Quancast, twenty-seven million people in the US used Twitter as of September 3, 2009. Sixty-three percent of Twitter users are less than thirty-five years old; sixty percent of Twitter users are Caucasian, but a higher than average (compared to other Internet properties) are African American (sixteen percent) and Hispanic (eleven percent); fifty-eight percent of Twitter users have a total household income of at least $60,000. On September 7, 2011, Twitter announced that it has 100 million active users logging in at least once a month and 50 million active users every day. In an article published on January 6th, 2012, Twitter was confirmed to be the biggest social media network in Japan, with Facebook following closely in second. comScore confirmed this, stating that Japan is the only country in the world where Twitter leads Facebook. Twitter raised over US$57 million from venture capitalist growth funding, although exact numbers are not publicly disclosed. Twitter’s first A round of funding was for an undisclosed amount that is rumored to have been between $1 million and $5 million. Its second B round of funding in 2008 was for $22 million and its third C round of funding in 2009 was for $35 million from Institutional Venture Partners and Benchmark Capital along with an undisclosed amount from other investors including Union Square Ventures, Spark Capital and Insight Venture Partners. Twitter is backed by Union Square Ventures, Digital Garage, Spark Capital, and Bezos Expeditions. In May 2008, The Industry Standard remarked that Twitter’s long-term viability is limited by a lack of revenue. Twitter board member Todd Chaffee forecast that the company could profit from e-commerce, noting that users may want to buy items directly from Twitter since it already provides product recommendations and promotions. The company raised $200 million in new venture capital in December 2010, at a valuation of approximately $3.7 billion. In March 2011, 35,000 Twitter shares sold for $34.50 each on Sharespost, an implied valuation of $7.8 billion. In August, 2010 Twitter announced a “significant” investment lead by Digital Sky Technology that, at $800 million, was reported to be the largest venture round in history. Twitter has been identified as a possible candidate for an initial public offering by 2013. In December 2011, the Saudi prince Alwaleed bin Talal invested $300 million in Twitter. The company was valued at $8.4 billion at the time. In July 2009, some of Twitter’s revenue and user growth documents were published on TechCrunch after being illegally obtained by Hacker Croll. The documents projected 2009 revenues of $400,000 in the third quarter and $4 million in the fourth quarter along with 25 million users by the end of the year. The projections for the end of 2013 were $1.54 billion in revenue, $111 million in net earnings, and 1 billion users. No information about how Twitter planned to achieve those numbers was published. In response, Twitter co-founder Biz Stone published a blog post suggesting the possibility of legal action against the hacker. On April 13, 2010, Twitter announced plans to offer paid advertising for companies that would be able to purchase “promoted tweets” to appear in selective search results on the Twitter website, similar to Google Adwords’ advertising model. As of April 13, Twitter announced it had already signed up a number of companies wishing to advertise including Sony Pictures, Red Bull, Best Buy, and Starbucks. The company generated $45 million in annual revenue in 2010, after beginning sales midway through that year. The company operated at a loss through most of 2010. Revenues were forecast for $100 million to $110 million in 2011. Users’ photos can generate royalty-free revenue for Twitter, with an agreement with WENN being announced in May 2011. In June 2011, Twitter announced it would offer small businesses a self serve advertising system. The Twitter Web interface uses the Ruby on Rails framework, deployed on a performance enhanced Ruby Enterprise Edition implementation of Ruby. As of April 6, 2011, Twitter engineers confirmed they had switched away from their Ruby on Rails search-stack, to a Java server they call Blender. From the spring of 2007 until 2008 the messages were handled by a Ruby persistent queue server called Starling, but since 2009 implementation has been gradually replaced with software written in Scala. The service’s application programming interface (API) allows other web services and applications to integrate with Twitter. On April 30, 2009, Twitter adjusted its web interface, adding a search bar and a sidebar of “trending topics” — the most common phrases appearing in messages. Biz Stone explains that all messages are instantly indexed and that “with this newly launched feature, Twitter has become something unexpectedly important — a discovery engine for finding out what is happening right now.” When Twitter experiences an outage, users see the “fail whale” error message image created by Yiying Lu, illustrating eight orange birds using a net to hoist a whale from the ocean captioned “Too many tweets! Please wait a moment and try again.” Twitter had approximately ninety-eight percent uptime in 2007 (or about six full days of downtime). The downtime was particularly noticeable during events popular with the technology industry such as the 2008 Macworld Conference & Expo keynote address. May 2008 – Twitter’s new engineering team made architectural changes to deal with the scale of growth. Stability issues resulted in down time or temporary feature removal. August 2008 – Twitter withdrew free SMS services from users in the United Kingdom and for approximately five months instant messaging support via a XMPP bot was listed as being “temporarily unavailable”. October 10, 2008 – Twitter’s status blog announced that instant messaging (IM) service was no longer a temporary outage and needed to be revamped. It was announced that Twitter aims to return its IM service pending necessary major work. June 12, 2009 – In what was called a potential “Twitpocalypse”, the unique numerical identifier associated with each tweet exceeded the limit of 32-bit signed integers (2,147,483,647 total messages). While Twitter itself was not affected, some third-party clients could no longer access recent tweets. Patches were quickly released, though some iPhone applications had to wait for approval from the App Store. June 25, 2009 – Twitter crashed at least once and ran very slowly for some time after It recorded over 50,000 tweets about Michael Jackson’s death in just one hour. Michael Jackson was ranked on seven of the top ten trending topics. September 22, 2009 – The identifier exceeded the limit for 32-bit unsigned integers (4,294,967,296 total messages) again breaking some third-party clients. August 6, 2009 – Twitter and Facebook suffered from a denial-of-service attack, causing the Twitter website to go offline for several hours. It was later confirmed that the attacks were directed at one pro-Georgian user around the anniversary of the 2008 South Ossetia War, rather than the sites themselves. December 17, 2009 – A hacking attack replaced the website’s welcoming screen with an image of a green flag and the caption “This site has been hacked by Iranian Cyber Army” for nearly an hour. No connection between the hackers and Iran has been established. June–July 2010 – Twitter has a very high service rejection rate (10%-20%) during 2010 FIFA World Cup period, also, the response latency increased a lot. November 2010 – A number of accounts encountered a fault that resulted in them seeing the “fail whale” when they tried to login to their accounts. The accounts themselves were not locked out as account holders could still see their “mentions” page, and post from there, but the timeline and a number of other features were unavailable during this outage. Twitter messages are public but users can also send private messages. Twitter collects personally identifiable information about its users and shares it with third parties. The service reserves the right to sell this information as an asset if the company changes hands. While Twitter displays no advertising, advertisers can target users based on their history of tweets and may quote tweets in ads directed specifically to the user. A security vulnerability was reported on April 7, 2007, by Nitesh Dhanjani and Rujith. Since Twitter used the phone number of the sender of an SMS message as authentication, malicious users could update someone else’s status page by using SMS spoofing. The vulnerability could be used if the spoofer knew the phone number registered to their victim’s account. Within a few weeks of this discovery Twitter introduced an optional personal identification number (PIN) that its users could use to authenticate their SMS-originating messages. On January 5, 2009, 33 high-profile Twitter accounts were compromised after a Twitter administrator’s password was guessed by a dictionary attack. Falsified tweets — including sexually explicit drug-related messages — were sent from these accounts. Twitter launched the beta version of their “Verified Accounts” service on June 11, 2009, allowing famous or notable people to announce their Twitter account name. The home pages of these accounts display a badge indicating their status. In May 2010, a bug was discovered by İnci Sözlük users that allowed Twitter users to force others to follow them without the other users’ consent or knowledge. For example, comedian Conan O’Brien’s account, which had been set to follow only one person, was changed to receive nearly 200 malicious subscriptions. In response to Twitter’s security breaches, the Federal Trade Commission brought charges against the service which were settled on June 24, 2010. This was the first time the FTC had taken action against a social network for security lapses. The settlement requires Twitter to take a number of steps to secure users’ private information, including maintenance of a “comprehensive information security program” to be independently audited biannually. On December 14, 2010, the United States Department of Justice issued a subpoena directing Twitter to provide information for accounts registered to or associated with WikiLeaks. Twitter decided to notify its users and said in a statement, “…it’s our policy to notify users about law enforcement and governmental requests for their information, unless we are prevented by law from doing so”. A “MouseOver” exploit occurred on September 21, 2010, when an XSS Worm became active on Twitter. When an account user held the mouse cursor over blacked out parts of a tweet, the worm within the script would automatically open links and re-post itself on the reader’s account. The exploit was then re-used to post pop-up ads and links to pornographic sites. The origin is unclear but Pearce H. Delphin (known on Twitter as @zzap) and a Scandinavian developer, Magnus Holm, both claim to have modified the exploit of a user, possibly Masato Kinugawa, who was using it to create coloured Tweets. Kinugawa, a Japanese developer, reported the XSS vulnerability to Twitter on August 14. Later, when he found it was exploitable again, he created the account ‘RainbowTwtr’ and used it to post coloured messages. Delphin says he exposed the security flaw by tweeting a JavaScript function for “onMouseOver”, and Holm later created and posted the XSS Worm that automatically re-tweeted itself. Security firm Sophos reported the virus was spread by people doing it for “fun and games”, but noted it could be exploited by cybercriminals. Twitter issued a statement on their status blog at 13:50 UTC that “The exploit is fully patched”. Twitter representative Carolyn Penner said no charges would be pressed. In May 2011, a claimant known as “CTB” (subsequently identified as Ryan Giggs) in the case of CTB v Twitter Inc., Persons Unknown took legal action at the High Court of Justice in London against Twitter., requesting that Twitter release details of account holders. This followed gossip posted on Twitter about Giggs’ private life, causing conflict relating to privacy injunctions. Tony Wang, the head of Twitter in Europe, said that people who do “bad things” on the site would need to defend themselves under the laws of their own jurisdiction in the event of controversy, and that the site would hand over information about users to the authorities when it was legally required to do so. He also suggested that Twitter would accede to a UK court order to divulge names of users responsible for “illegal activity” on the site. On May 29, 2011, it was reported that South Tyneside council in England had successfully taken legal action against Twitter in a court in California, which forced Twitter to reveal the details of five user accounts. The council was trying to discover the identity of a blogger called “Mr Monkey” who allegedly posted libellous statements about three local councillors. On January 23, 2012, it was reported that Twitter will be acquiring Dasient, a startup that offers malware protection for businesses. Twitter hopes that Dasient will help remove hateful advertisers on the website. On January 26, 2012, Twitter began offering a feature which would allow tweets to be removed selectively by country. Twitter cited France and Germany as examples, where pro-Nazi content is illegal. Previously, deleted tweets were removed in all countries. On February 20, 2012, a third-party public-key encryption app (written in Python and partially funded by a grant from the Shuttleworth Foundation) for direct messaging in Twitter, CrypTweet, was released. Twitter released several open source projects developed while overcoming technical challenges of their service. Notable projects are the Gizzard Scala framework for creating distributed datastores and the distributed graph database FlockDB. t.co is a URL shortening service created by Twitter. It is only available for links posted to Twitter and not available for general use. All links posted to Twitter use a t.co wrapper. Twitter hopes that the service will be able to protect users from malicious sites, and will use it to track clicks on links within tweets. Having previously used the services of third parties TinyURL and bit.ly, Twitter began experimenting with its own URL shortening service for direct messages in March 2010 using the twt.tl domain, before it purchased the t.co domain. The service was tested on the main site using the accounts @TwitterAPI, @rsarver and @raffi. On September 2, 2010, an email from Twitter to users said they would be expanding the roll-out of the service to users. On June 7, 2011, Twitter announced that it was rolling out the feature. On June 1, 2011, Twitter announced its own integrated photo-sharing service that enables users to upload a photo and attach it to a Tweet right from Twitter.com. Users now also have the ability to add pictures to Twitter’s search by adding hashtags to the tweet. Twitter also plans to provide photo galleries designed to gather and syndicate all photos that a user has uploaded on Twitter and third-party services such as TwitPic. Twitter has been used for a variety of purposes in many different industries and scenarios. For example, it has been used to organize protests, sometimes referred to as “Twitter Revolutions” and which include the 2011 Egyptian revolution, 2010–2011 Tunisian protests, 2009–2010 Iranian election protests, and 2009 Moldova civil unrest. The governments of Iran and Egypt blocked the service in retaliation. The service is also used as a form of civil disobedience: in 2010, users expressed outrage over the Twitter Joke Trial by making obvious jokes about terrorism; and in the British privacy injunction debate in the same country a year later, where several celebrities that had taken out anonymised injunctions, most notably the Manchester United player Ryan Giggs, were identified by thousands of users in protest to traditional journalism being censored. Twitter is also increasingly used for making TV more interactive and social. This effect is sometimes referred to as the “virtual watercooler” or social television. Twitter has been used successfully to encourage people to watch live TV events, such as the Oscars, the Super Bowl and the MTV Video Music Awards; this strategy has however proven less effective with regularly scheduled TV shows. Such direct cross-promotions have been banned from French television due to regulations against secret advertising. In May 2008, The Wall Street Journal wrote that social networking services such as Twitter “elicit mixed feelings in the technology-savvy people who have been their early adopters. Fans say they are a good way to keep in touch with busy friends. But some users are starting to feel ‘too’ connected, as they grapple with check-in messages at odd hours, higher cellphone bills and the need to tell acquaintances to stop announcing what they’re having for dinner.” Tech writer Bruce Sterling opined in 2007 that using Twitter for “literate communication” is “about as likely as firing up a CB radio and hearing some guy recite the Iliad”. In September 2008, the journalist Clive Thompson mused in a The New York Times Magazine editorial that the service had expanded narcissism into “a new, supermetabolic extreme—the ultimate expression of a generation of celebrity-addled youths who believe their every utterance is fascinating and ought to be shared with the world.” Conversely, Vancouver Sun columnist Steve Dotto opined that part of Twitter’s appeal is the challenge of trying to publish such messages in tight constraints, and Jonathan Zittrain, professor of Internet law at Harvard Law School, said that “the qualities that make Twitter seem inane and half-baked are what makes it so powerful”. In 2009, Nielsen Online reported that Twitter has a user retention rate of forty percent. Many people stop using the service after a month, therefore the site may potentially reach only about ten percent of all Internet users. In 2009, Twitter won the “Breakout of the Year” Webby Award. During a February 2009 discussion on National Public Radio’s Weekend Edition, the journalist Daniel Schorr stated that Twitter accounts of events lacked rigorous fact-checking and other editorial improvements. In response, Andy Carvin gave Schorr two examples of breaking news stories that played out on Twitter and said users wanted first-hand accounts and sometimes debunked stories. Time magazine acknowledged growing level of influence in its 2010 Time 100; to determine the influence of people, it used a formula based on famous social networking sites, Twitter and Facebook. The list ranges from Barack Obama and Oprah Winfrey to Lady Gaga and Ashton Kutcher. After claims in the media that the hashtags #wikileaks and #occupywallstreet were being censored because they did not show up on the site’s list of trending topics, Twitter responded by stating that it does not censor hashtags unless they contain obscenities. In 2006, when Twitter launched under the name “Twttr”, Michael Arrington of TechCrunch commented that although he liked the service, he also noted that he felt uncomfortable with the fact that every user’s Twitter page is available to the public. Twitter emphasized its news and information-network strategy in November 2009 by changing the question asked to users for status updates from “What are you doing?” to “What’s happening?” Entertainment Weekly put it on its end-of-the-decade, “best-of” list, saying, “Limiting yourself to 140 characters—the maximum for messages on this diabolically addictive social-networking tool—is easy.” On November 22, 2010, Biz Stone, a cofounder of the company, expressed for the first time the idea of a Twitter news network, a concept of wire-like news service he has been working on for years. As of February 19, 2012, Tumblr had over 45.1 million blogs and more than 17 billion total posts. As of September 2011, the website receives more than 13 billion views per month. As of July 2010, the site receives 25,000 new users each day and as of September 2011, 40 million posts are created on the site each day. An analysis by AddThis of shares through their service in 2011 noted that Tumblr sharing had increased by 1299.5%. The service is most popular with the teen and college-aged user segments; fifty percent of Tumblr’s visitor base is under the age of 25. As of 2009, Tumblr had an 85% retention rate, compared with 40% for Twitter. Tumblr’s original funding came from Karp’s earnings as a software consultant at parenting site UrbanBaby. Tumblr has raised funding from Union Square Ventures, Spark Capital, Martín Varsavsky, John Borthwick (Betaworks), Fred Seibert, and Sequoia Capital (among other investors). Tumblr shares two lead investors with Twitter. President and COO John Maloney was the founder of UrbanBaby with wife Susan Maloney. The company had a $800 million valuation in August 2011. In September 2011, the company raised $85 million in a round of funding led by Greylock Partners and Insight Venture Partners. In August 2009, Tumblr’s CEO, David Karp, was named Best Young Tech Entrepreneur 2009 by BusinessWeek. In August 2010, Tumblr was named as a finalist in Lead411’s New York City Hot 125. Celebrities that use Tumblr include Lady Gaga, Zooey Deschanel and John Mayer. In 2011, We are the 99% tumblr went viral and became the unifying slogan for the Occupy Wall Street movement. On October 21, 2011, Tumblr became the first blogging platform to host President Obama’s blog.

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