Zynga's Patent for Game based incentives for commerce Posted by jeffreybaird on Tuesday December 11, 2012 @02:36PM from the patft.uspto.gov dept. http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=8,328,642.PN.&OS=PN/8,328,642&RS=PN/8,328,642 ( no comments | on HN )
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