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Facebook and Zynga tear up their contract NEW YORK (CNNMoney) -- Facebook and Zynga have always been deeply intertwined, but the companies signed paperwork this week to make their relationship a bit more distant. A pair of regulatory filings submitted late Thursday revealed that Facebook and Zynga have significantly revised the terms of a five-year deal they signed in late 2010. The new arrangement relaxes restrictions on both Facebook and Zynga, the gamemaker that drove 13% of Facebook's revenue for the first nine months of 2012.

Average wireless bill increased 7% in 2012 , 70% of subscribers now own smartphones We  all love our smartphones , but they are a  costly addiction  to support. According to  Consumer Reports ,  American wireless subscribers  saw their wireless bills increase by 7% between 2011 and 2012, and the big culprit is the continued proliferation of smartphones . Overall, 70% of  wireless subscribers  who took part in Consumer Reports’  survey owned smartphones this year, up from 50% in 2011. As the publication notes, “upgrading from a plain  cell phone  at  a major carrier  isn’t cheap” since “you have to buy the smart phone itself (usually $100 to $400 when signing a two-year contract) and fork over $70 to $110 a month for a plan with data service… a lot more than a basic phone plan, which generally costs $40 to $70 a month.”

Apple to sell new iPads, iPhone 5 in China in Dec. CUPERTINO, Calif.  (AP) —  Apple Inc.  on Friday said its latest iPad models will go on sale in  China  on Dec. 7, followed by the  iPhone 5  a week later. China is one of  Apple 's largest and fastest-growing markets.  Analyst Brian White  at  Topeka Capital Markets  said iPhone 5 is launching roughly when he expected it, but he hadn't expected the iPad mini and the fourth-generation, full-size  iPad  to go on sale in China this year. "Our conversations during our meetings and casual consumer interactions during our  China trips  tell us that the iPad Mini will take off like wildfire in China," White wrote in a research report Friday morning. "The smaller form factor and lower price point, we believe Apple will be able to sell the iPad mini in meaningful volumes." White said uptake of the iPhone 4S was relatively slow in China, because the signa...