By Jacob Appelbaum, Aaron Gibson, Claudio Guarnieri, Andy Müller-Maguhn, Laura Poitras, Marcel Rosenbach, Leif Ryge, Hilmar Schmundt and Michael Sontheimer
SPIEGEL
The NSA’s mass surveillance is just the beginning. Documents from Edward Snowden show that the intelligence agency is arming America for future digital wars — a struggle for control of the Internet that is already well underway: