from How to do Something.

Twitter, a microblogging website that allows members to post 140-character messages called Tweets, was released in 2006. As of September 2010, the site had 175 million registered members with 95 million tweets written each day, according to Twitter. Businesses have taken to twitter because it provides easy access to potential and existing customers at no cost. Many business twitters exist as a form of advertising, public relations or both.

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