I tried to float a fake leak online during E3 2004(?) where they showed the MGS4 trailer. The "leak" was that there was a twist to Snake's mustache: he didn't really have one, his facial hair, and they really showed off the hairs in that 'stache, grew at an accelerated rate between play sessions so he would eventually get a beard. And you could shave him. Clean shaven, mustache, mutton chops, full beard, yet another useless and expensive Kojima feature. If you didn't shave him at all for long enough you would one day load up your save and find that...