San Francisco-based CPJ Technology Program Coordinator Geoffrey King works to protect the digital rights of journalists worldwide. A constitutional lawyer by training, King also teaches courses on digital privacy law, as well as the intersection of media and social change, both at UC Berkeley. Follow him on Twitter at @CPJTechnology. His public key fingerprint is 4749 357C E686 71B1 4C60 F149 9338 5A57 27FA 494C.