David Karp Net Worth

Within two weeks, Tumblr had 75,000 users and today it has over 100 million active blogs. He was born on July 6, 1986. Tumblr reportedly had revenues of $15 million in 2012 and is on pace to bring in $100 million during 2013. In May 2013, search engine Yahoo was reportedly looking to acquire Tumblr for $1.1 billion!