http://www.forbes.com/sites/andygree...ed-gun-photos/
	Quote:
	
	
		| Wilson asked when we spoke earlier in the week. “I’m interested to  see what the potential for this tool really is. Can it print a gun?”  It seems that it can. | 
	
 
Guns without serial numbers, undetectable by metal detectors, made in the privacy of your own home.
This is really just one example of how 3d-printing will change the world as we know it. Whole business models will go extinct.
Also, if you think the piracy-hunt and IP-protection madness is bad now, wait a few years until 3d-printers become more popular.