Major US carriers will stop selling customer location data to aggregators (updated)
AT&T, Sprint and T-Mobile followed suit after Verizon made the first move.
The company that helps police track phones was reportedly hacked
Securus also allegedly helped prisons listen to calls between inmates and lawyers.
US prisons allegedly record more inmate calls than they should (update: response)
It might not just be everyday people who've been subject to illegal surveillance -- prisoners may...