Tumblr
- Country: United States
- Type: Blog
- Website: www.tumblr.com
- Update: 05-01
Tumblr is the originator of the global light blogging website and the largest light blogging website, founded by David Karp in 2007. The site's media form is between traditional blogs and micro-blogs, a stream-of-consciousness trivial narrative that balances expression and socialization, making it the most favored social networking site for young people.