Here's a great talk from the Chaos Computer Club's current event, 30c3 happening now in Munich. Here Kurt from EFF gives a great overview of what we know the goverment is doing, and ways to fight against mass surveillance. "From Stellar Wind to PRISM, Boundless Informant to EvilOlive, the NSA spying programs are shrouded in secrecy and rubber-stamped by secret opinions from a court that meets in a faraday cage. The Electronic Frontier Foundation’s Kurt Opsahl explains the known facts about how the programs operate and the laws and regulations the U.S. government asserts allows the NSA to spy on you."