 | |
| Type | Private |
|---|---|
| Founded | San Francisco, California, United States |
| Founder | Jack Dorsey Noah Glass Evan Williams Biz Stone |
| Headquarters | 795 Folsom Street, Suite 600, San Francisco, CA 94107, United States[1] |
| Area served | Worldwide |
| Key people | Jack Dorsey (Executive Chairman) Dick Costolo (CEO) Evan Williams (Director) Biz Stone (Creative director) |
| Revenue |  US $140 million (projected 2010)[2] |
| Employees | 600+ (2011)[3][4] |
| Website | twitter.com |
| Alexa rank |  9 (July 2011)[5] |
| Type of site | Mobile social-network service, microblogging |
| Registration | Required (to post) |
| Users | 200 million (March 2011)[6] |
| Available in | Multilingual, including Dutch, English, French, German, Indonesian, Italian, Japanese, Korean, Portuguese, Russian, Spanish and Turkish |
| Launched | July 15, 2006[7] |
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