Variety's Spring 2013 Entertainment And Technology Summit...

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Entertainment Evangelist at Tumblr David Hayes and Chief Marketing... News PhotoArts Culture and Entertainment,California,Hollywood - California,Horizontal,Joy,Marina,Marina Del Rey,Preacher,Ritz Carlton Hotel,Talking,Technology,USAPhotographer Collection: Getty Images Entertainment 2013 Getty ImagesMARINA DEL REY, CA - APRIL 29: (L-R) Entertainment Evangelist at Tumblr David Hayes and Chief Marketing Officer at Netbase Lisa Joy Rosner speak onstage at Variety's Spring 2013 Entertainment and Technology Summit Co-Produced with Digital Hollywood at Ritz Carlton Marina Del Rey on April 29, 2013 in Marina del Rey, California. (Photo by Imeh Akpanudosen/Getty Images)