A social networking website, which allows users to publish short messages that are visible to other users. These messages are known as tweets, and can only be 140 characters or less in length. Users have found many different uses for twitter, including basic communication between friends and family, a way to publicize an event, or as a customer relations tool for companies to communicate with their consumers. Twitter was founded in 2006, and as of 2008 Twitter was estimated to have between 4 and 5 million users, and was the third most popular social networking site after Facebook and MySpace.
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