Blow up...

This is probably a post more suited to the excellent L@@K R@RE! but it does have something to do with film so I thought I'd chuck it in the Doghouse.
Some German dude, with awesome hair and tash, has made a cool camera/projector gun that is designed to wreck or impose on peoples snaps.
Read on to see how - It'd be a good way of 'watermarking' stuff in the real world. And it looks bad ass.
Woof.