Attention, Shoppers: Store Is Tracking Your Cell - NYTimes.com

Big Data Hits Real Life: Brick-and-mortar stores are looking for a chance to catch up with their online competitors by using software that allows them to watch customers as they shop, and gather data about their behavior.

Using video surveillance, and signals from shoppers’ cellphones and apps, retailers are tracking customers’ behavior and moods.

http://www.nytimes.com/2013/07/15/business/attention-shopper-stores-are-tracking-your-cell.html?emc=tnt&tntemail0=y&_r=0