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