FILE - In this Oct. 1, 2012 file photo, Tumblr founder David Karp participates in the "Bloomberg Leadership Summit" seminar in New York. In a deal announced Monday, May 20, 2013, Yahoo is buying New ... more 
FILE - In this Oct. 1, 2012 file photo, Tumblr founder David Karp participates in the "Bloomberg Leadership Summit" seminar in New York. In a deal announced Monday, May 20, 2013, Yahoo is buying New York-based Tumblr, the online blogging forum, for $1.1 billion. About $275 million will go to Karp, 26, who dropped out of high school to concentrate on computer programming and started Tumblr six years ago. (AP Photo/Charles Sykes/Invision for Advertising Week) less 
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Associated Press | Photo By Charles Sykes/Invision for Advertising Week
Mon, May 20, 2013 5:33 PM EDT