Smart People Say The Stupidest Things July 10, 2014August 11, 2017 David Karp, CEO & Founder at Tumblr, on how Tumblr is run. 0 Comment Attitude, david karp, prima donna, tumblr Okay, we’ll assume that if someone can create Tumblr, and sell it to Yahoo, they’ve got to be smart right? But to say the Read more