[jamieb]

Did you perhaps miss this: "Obama told lawmakers that he wanted them to swiftly pass a assault-weapon ban and limit magazines to 10 bullets."

http://www.forbes.com/sites/abrambrown/2013/01/16/what-obama...

"If reprap-like machines with strong materials turn out to be cheap and easy, then never mind licensing handguns — we're going to have a problem with home-made crew-served weapons." - Charles Stross

The drivers of new technology aren't always wholesome.

http://c2.com/cgi/wiki?PornDrivesNewTech