Sidebar - A friend of mine is putting together her portfolio, right now, and it includes a lot of video and stop-motion animation. The stuff she did even 5 years ago is entirely unusable, apparently. Audio quality. Video resolution. Graininess. Whatever. The NSA (et al) have been collecting data and storing it in massive troves forever. Traffic cameras have been running with no film or recording devices for decades. We may have already hit your threshold of "...crime serious enough for someone to troll back through the footage...", and that threshold is only going to get shorter and shorter as more and more content is created. And then ... what? When storage/assessment becomes more costly than the crime itself, what's the point in recording at all ...? There is definitely some deep human cognitive science to be done here ...