The American Civil Liberties Union was curious about warrantless government snooping on citizens' text messages. So the group filed a Freedom of Information Act request to the Justice Department. Here's what they got back:

Totally Redacted FOIA response

A memo header:  “Guidance for the Minimization of Text Messages over Dual-Function Cellular Telephones” and then 15 pages, completely blacked out. 

Yup. An "unprecedented level of openness in government" from the "most transparent administration in history."