Billboard Liberation Front vs. ATT + NSA

Snip from a BLF missive:

The Billboard Liberation Front today announced a major new advertising improvement campaign executed on behalf of clients AT&T and the National Security Agency. Focusing on billboards in the San Francisco area, this improvement action is designed to promote and celebrate the innovative collaboration of these two global communications giants.
More, and larger, uncropped version of the pic above by Jacob Appelbaum is here. (thanks, Jacob Appelbaum)