- How stores use your phone’s WiFi to track your shopping habits "Thwarting this tracking yourself can be impractical. One option is to turn off your wireless cards..But that might still not prevent a retailer from snatching your MAC address while you're walking by the promotion in the window outside" http://www.washingtonpost.com/blogs/the-switch/wp/2013/10/19/how-stores-use-your-phones-wifi-to-track-your-shopping-habits/?tid=rssfeed 234 comments technology
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