First tweet

According to Official Guinness Records,

Twitter was invented by Jack Dorsey (USA) in 2006 as a microblogging and social networking tool. Users can post text messages, called tweets, of up to 140 characters which are sent to their subscribers or followers. The very first tweet was posted by Dorsey at 9:50 pm PST on 21 March 2006, and read "just setting up my twittr".

For a complete list of 2006 records, please visit 2006 Guinness Records in United States.

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