8 Million GPS location requests last year by LEO

"... Sprint’s head of legal compliance revealed that their automated system
had processed 8 million requests for GPS location data in the span of a
year, noting that it would have been impossible to manually serve that
level of law enforcement traffic. ..."


http://arstechnica.com/tech-policy/news/2010/01/google-and-china-the-attacks-and-their-aftermath.ars