I see at least one market opportunity here: the social graph has, presently, assigned stronger weight to authenticatable news sources. Perhaps those news source

I see at least one market opportunity here: the social graph has, presently, assigned stronger weight to authenticatable news sources. Perhaps those news sources should start authenticated their sources? Not the HUMINT stuff, but video frames and audio segments should be cryptographically signed by the device that produced them, so you can match the camera footage to the camera, it's geolocation, etc.