Well [that](http://brooksreview.net/2011/11/mall-heatmaps/) was short lived. Interesting quote Maggie Shader has from Senator Chuck Schumer (D-NY):
>Personal cell phones are just that—personal—and should not be used as tracking devices by private companies.
I wonder what implications that has for the [Apple Store system](http://brooksreview.net/2011/11/apple-pick-up/) that locates a person in the store…