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David Karp

David Karp of Tumblr speaks onstage at TechCrunch Disrupt NY 2013 at The Manhattan Center on May 1, 2013 in New York City. (Photo by Brian Ach/Getty Images for TechCrunch)

New Yorker Sells Social Networking Giant Tumblr To Yahoo! For $1.1 Billion

If you’re a social media junkie, you and a few million others know what Tumblr is. If not, you might be wondering why Yahoo! would pay a king’s ransom for it.

05/20/2013