It's disturbingly creepy to think that stores would even think of doing this Malls and stores have been doing this for years. See e.g. http://retailnext.net ht

It's disturbingly creepy to think that stores would even think of doing this Malls and stores have been doing this for years. See e.g. http://retailnext.net http://retailnext.net. At least in europe a bunch of cities also deploy these trackers in public squares for commerce/tourist tracking.