1. The first tweet ever sent on Twitter was by co-founder and CEO of Twitter, Jack Dorsey on the 21st day of March, 2006 (the year Twitter was launched) at exactly 10:02 pm. The tweet is a two-worded phrase “inviting coworkers”. See it below

— jack (@jack) March 21, 2006 Twitter became available to the public July 15, 2006. 8. It once took 3 years for the total number of tweets on Twitter to clock 1 billion (March 2006 – May 2009)

18 Twitter facts you probably didn t know - 53