That's a really nice idea.

( monkeon schmonkeon www.monkeon.co.uk, Tue 20 Nov 2012, 16:53, Reply)

It's a really old idea
xkcd.com/576/
( Lord Keeps meaning to procrastinate., Tue 20 Nov 2012, 18:14, Reply)

Ah, well.
He's implemented it well if his code works like he says it does.

I should read xkcd more often, I always enjoy links from there.
Still my favourite: xkcd.com/904/
( monkeon schmonkeon www.monkeon.co.uk, Tue 20 Nov 2012, 19:28, Reply)