That's not correct. You can only request "non-content" data with a NSL, e.g. IP addresses, times of access, headers, etc. You need a warrant if you want actual

That's not correct. You can only request "non-content" data with a NSL, e.g. IP addresses, times of access, headers, etc. You need a warrant if you want actual content of communications, etc. (that's legally, of course. Many companies will roll over for even an informal request if they don't know better or to play ball (see: the telecom industry))