[justinclift]

Based on what?

[ProllyInfamous]

e.g. Gait analysis.

[justinclift]

Is that in widespread use in your area?

[ProllyInfamous]

At most Target and WalMart locations, yes.

[justinclift]

k. Sounds like if you're not carrying a mobile phone, you'd have to go out of your way to be tracked then. ;)