Twitter at a glance
Business: Online network for sharing short messages
Headquarters: San Francisco
Founded: 2006 by Jack Dorsey and Biz Stone
Users: About 240 million
2013 ad revenue: $583 million, according to EMarketer
Employees: 2,000
Business: Online network for sharing short messages
Headquarters: San Francisco
Founded: 2006 by Jack Dorsey and Biz Stone
Users: About 240 million
2013 ad revenue: $583 million, according to EMarketer
Employees: 2,000