[hackuser]

Thanks; that is valuable information. So my whole plan (in the top-level post at the root of this discussion) is hopeless, at least in terms of having anonymous, untracked phone usage?

> your telco can know your home address based on a week's worth of location data

How accurate is that location data, do you know? Within 10 yards? 100 yards?

[msellout]

I can't remember the limit, but it's a legal one not technological. The military has a legal monopoly on precise GPS.