zlacker

It's hard to tell with 100% certainty, but most such devices have a distinctive light that can be seen from a distance.

In any case, these things tend to be used by a fairly specific demographic that tends to congregate in specific neighborhoods, so I can use that as a proxy and avoid going to those neighborhoods.

>>JohnFe+(OP)
> specific demographic that tends to congregate in specific neighborhoods

Care to elaborate? I actually have no clue what you are talking about, so I'm curious.

>>lsafer+hl
They are talking about white and/or rich enclaves, likely.