[dotBen]

Of all the companies to single out as entities you wouldn't want GPS data to be acquired by, Apple and Google are an odd choice.

I mean of all the possible companies that might acquire this GPS data, it's not like Apple or Google already have copious amounts of GPS data on us. Is it?

[uptown]

I can't tell if you're being sarcastic or not. Setting apart the location-based services built into mobile devices, every time you access a service from either Apple or Google you're pinging their server with an IP address that has a certain degree of geolocation. This includes accessing a website using Google Analytics.