[House Atreides]

“....They are not only picking up every call on their servers, but they are storing every conversation as “data”....”
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And it would also be just as easy for them to pick up and record every single ‘ping’ your cell phone makes and the specific cell tower(s) it pinged off. Recording for later, or real time, reading of the exact location(s) of your uniquely identifiable cell phone at any time or over any requested period of time.

And it must comfort us all that Obamba’s operatives are the ones hiring, or approving the hiring, of each new analyst or tech.

[House Atreides]

“....reading of the exact location(s) of your uniquely identifiable cell phone at any time or over any requested period of time.....”
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And, using appropriate query algorithms, they could also identify OTHER cell phones that may be “travelling” (co-located) with your cell phone over certain time period(s). As Rush Limbaugh is fond of saying, "Don't doubt me!"