> I'd like to see your tricks for dealing with 100,000 such sensors, one on every street corner. Misdirection and decoys. How much use are those sensors if th

> I'd like to see your tricks for dealing with 100,000 such sensors, one on every street corner. Misdirection and decoys. How much use are those sensors if they're all detecting you at the same time? If they become prevalent enough, I could imagine the development of "scent bombs" that would spew out so much of your odor that the sensors for miles around would all detect "you."