A good summary and I'm looking forward to a nice follow on measurement of investment vs. results and comparison of those who were heavy into social media vs. those that weren't.

This time next year, an article just like this will be discussing the importance of mobile at retail during the holiday season, as smart phones outnumber computers and bring not only social media in the store, but also GPS and Bluetooth proximity identification that will trigger sales messages and augmented reality overlays that empower shoppers to better navigate and comparative shop stores in the physical presence.

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