Tumblr CEO David Karp:
Tumblr CEO David Karp: ‘The State Of Digital Advertising Is Uninspiring’ [ #Video ] http://t.co/yEAm6JPH from gkesten via @DannyWorldwide
Tumblr CEO David Karp: ‘The State Of Digital Advertising Is Uninspiring’ [ #Video ] http://t.co/yEAm6JPH from gkesten via @DannyWorldwide