This year, the iPhone (s aapl) and mobile shopping apps are playing a big role in holiday shopping. How big? Mobile advertising network Mobclix breaks down the key stats in its December monthly infographic, based on information gathered from its ad network as well as the company’s survey of 600 smartphone owners. The most impressive number? iPhone shopping app usage in November 2010 increased 249 percent over 2009, although the number of shopping apps only increased 52 percent in roughly the same time period.
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