afaik apple and google do this to help maps work better without relying on gps. you localize yourself by looking up the wifi networks you can see. google stre

afaik apple and google do this to help maps work better without relying on gps. you localize yourself by looking up the wifi networks you can see. google streetview cars and many others collect this information all the time. to opt out, stop using wifi. not much else to do.