Never fear though, the data is fractured and muddled and obscured and it can't possibly be used to actually track what you use your computer for. Really.
Really.
Unless you are offline completely everything you do no matter which OS is being watched. The obscurity of Linux is no protection from big brother when they want something.
I have been appalled at the number of features of a Window 8.1 cell phone that will not work at all unless "location awareness" is enabled on the phone. Giving the phone my zip code isn't enough. The phone insists on continually calculating my location on the planet to within a few yards.
So, I turned location awareness off. At least I think I did.