Are you aware some retailers track your wanderings in their store using your smart phone?
"Privacy advocates have an entirely new worry to keep them awake at night.
National retailers like Nordstrom and Home Depot, working with a company called Euclid Analytics, have devised a method for tracking shoppers in their stores. The service identifies shoppers' smartphones by requests the devices make for Wi-Fi, even if they aren't connecting to the store's network.
According to Euclid, 40 to 70 percent of all shoppers are equipped with a smartphone that can be used to determine specific departments a shopper visits and how long a shopper may spend there. Thus, any person with a Wi-Fi-enabled phone is automatically tracked as he moves through the store. Shoppers looking to go un-tracked have to turn off their Wi-Fi or power down their handsets, a point that has some critics livid."
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