I get the feeling that if the designers of that new sherlock holmes game ever got their hands on this technology, they would be able to make a watson that is forty times more creepy than the current one.
I got all excited thinking how neat this would be in a game like Half-Life 3, but then I realized all it meant was that I'd be pouring things into a bucket on one end of a see-saw to lift up the other end instead of putting bricks on it.
If it could do sugar dissolving into water, or water soaking into surfaces (like the ground), I'd be all over it. Imagine playing Oblivion where the rain made the ground muddy and your clothing/armor heavier.