Tumblr, Inc. is a privately-held, venture capital backed media and entertainment company that specializes in operating a publishing platform and a social networking site. Founded in 2007 by David Karp,Tumblr, Inc. is headquartered in New York, New York. Much of Tumblr's early core audience has been professional photographers and those who work in the fashion industry, who use Tumblr to store portfolios of their creative work. Tumblr was first formed by David Karp, who was then a 20 year old high-school dropout. Karp launched the site to simplify the blogging process. The Tumblr name comes from the term tumblelog, which is a short-form mixed-media blog.
Tumblr Usage Metrics May 2013
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