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Re:Reasons not to use Facebook by mikeash on Saturday March 14, 2015 @10:51AM (#9202789)
There's quite a difference between "we can know where you are if needed" and "we track where everyone is at all times, and provide this information to the authorities."

We're at the point now where we pretty much assume that the former implies the latter. It was not always thus.

Re:Reasons not to use Facebook by _ak on Saturday March 14, 2015 @02:14PM (#9203564)
The "we track where everyone is at all times" is a fundamental principle of mobile telephony. Your carrier always knows in which base station you're logged in, otherwise you wouldn't be able to send or receive anything.