Which is a fraction of a fraction of less than 1% of users on this forum. Now if it read that the govt was wanting most or all pm data from around here, then there would be major cause for alarm.
Given the number of, shock horror,
foreign users, I'd be astounded if US agencies weren't already using that excuse to read anything they wanted that's stored on these servers, subpoenas or no.
Start here:
http://www.imdb.com/title/tt4044364/