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lucapassarelli: #Tumblr CEO David #Karp says at least 70 #users have turned #blogging into #book deals http://t.co/v27InFch3H #content
lucapassarelli: #Tumblr CEO David #Karp says at least 70 #users have turned #blogging into #book deals http://t.co/v27InFch3H #content