Twitter is 4 years old!

     Who does not know, Twitter is a site that is a microblogging system that allows users to send short text notes (up to 140 characters) using the web interface, SMS, instant messaging services or third-party client programs.
     Today, March 21, 2010, 4 years have passed since co-founder Jack Dorsey sent the first Tweet. Together with Evan Williams and Biz Stone they became phenomena. Currently, Twitter is the most popular microblogging service in the world. Happy Birthday, Twitter!

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