A hackathon that aimed to find new ways to get information in, out and around North Korea took place over the weekend in San Francisco. The event, called “Hack North Korea,” was organized by New York-based charity Human Rights Foundation and brought together programmers, human rights campaigners and defectors.

Several teams spent the weekend working on ideas that would enable digital information to be concealed, hidden or otherwise transmitted without raising the suspicion of authorities. The ideas ran from the low-tech, using a catapult to fling things across the Yalu River that divides North Korea and China, to the high-tech, involving satellites, stenography and information More >