Twitter Timeline

1. March 21, 2006, Jack Dorsey published the first Twitter message at 9:50 P.M. Pacific Time saying "Just setting up my twttr."

2. July 15, 2006, the full version of Twitter was introduced publicly.

3. April 2007, Twitter spun off into its own company and was no longer shared with odeo.com

4. 2007, 400,000 tweets posted per quarter.

5. 2007, festival was the turning point for Twitter where Twitter usage increased from 20,000 to 60,000 tweets per day.

6. January 2009, Twitter moved up to the third-highest-ranking social network.

7. 2008, 100 million tweets posted per quarter.

8. Jan 22, 2010, first off-Earth tweet was posted from International Space Station by T.J. Creamer, astronaut.

9. Feb 2010, 50 million tweets per day.

10. June 2010 65 million tweets per day, 750 tweets per second.

11. April 20, 2011, new Twitter home page was introduced but people had the switch to old Twitter option still available.