When I first heard about SnapChat I was immediately reminded of the attempts of a friend of mine to establish a DRM’d email platform that would let recipients read an email but not do anything else with it that hadn’t been explicitly authorized (printing, forwarding, etc). There was some amazingly fancy crypto technology involved. In the end though it was never possible to close up the many holes inside general purpose computing technology. Those of course include the ultimate hole – the so-c...
