You only need 140 characters to explain how Twitter's creator, Jack Dorsey (Bishop DuBourg High), has changed cyberspace! Follow him @jack.
Melvin White
| Sep 25, 2014
Jack Dorsey
| Sep 27, 2012
Andy Cohen
| Sep 22, 2011
Jon Hamm
| Sep 30, 2009
Gerard Craft
| Sep 24, 2008
Brad Kroenig
| Sep 26, 2007
Dan Nassif
| Sep 27, 2006
Russ Carnahan
| Sep 29, 2005
Sylvester Brown, Jr.
| Sep 24, 2003
Sylvester Brown, Jr.
| Sep 24, 2003