(Edited image posted on Tumblr and reblogged a lot: punabot.tumblr.com/post/4148048604/clips-paper-and-holds-...
(Sept 29: Blog post with more amazing uses for binder clips! petty.me.uk/?p=1003) (WARNING: some sarcasm may be involved)
(September 20 2010: More attention from Lifehacker, Twitter and Reddit. This is crazy!)
(August 16 2010: This is suddenly getting quite a lot of attention thanks to @lettersofnote on Twitter.)
I'm on twitter as @muteboy if you're interested in not ever seeing any more cool ideas like this one ever again.