Comment Re:The eventual redefinition of "privacy" and the (Score 2) 89
Generally, this tracking is justified as "non-identifying". To be valuable to the mall owners and retailers, they track IDs as they move around, so they can provide insight like "people who shop at the Dizzknee store are more likely to cross the mall for a cookie", and "72% of shoppers walked past location X, place advertising there." And state DOTs are using such systems to track traffic flows and speeds. The data does have legitimate uses.
But what they don't generally advertise is that a single act of correlation to an ID identifies all that person's past behavior. While it may not matter much to my privacy if they send me a coupon for The Cookie Shop, it will matter greatly if that ID is used elsewhere. "Hi, I'm from LIZARD insurance, and we see you drive through tough neighborhoods on the way to work every day. Here's your high-risk rate hike."