Tumblr
| Type of business | Subsidiary |
|---|---|
| Founded | February 2007 |
| Headquarters | San Francisco, U.S. |
| Founder(s) | David Karp |
| Key people | Matt Mullenweg (CEO) |
| Industry | Microblogging, social networking service |
| Employees | 411 (as of June 2017) |
| Parent |
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| URL | tumblr |
Tumblr (pronounced "tumbler") is a microblogging and social networking website founded by David Karp in 2007 and is owned by American company Automattic. The service allows users to post multimedia and other content to a short-form blog.