> I'm not sure Uber fits the profile for NSLs. Primarily given the fact that Uber likely doesn't have social network data on their riders so a simple court order for a single users rides and GPS locations is probably all that's available for an NSA/FBI investigations. Unlike an email provider like Yahoo/Lavabit, or an ISP for example, which could provide multi-hop data.

Well, the Uber app on Android requires access to the user's address book, call log, and location, so I'd say Uber does have valuable social network information. This is not a unique capability for an Android app, however.