I believe in charts. A good chart can stick an important fact into your mind and keep it there. And some of the best come from Randall Munroe’s webcomic xkcd. Now you can turn any chart into an xkcd ...

I love xkcd. It's one of my favorite webcomics and is daily reading for me. It's very geeky, mainly for tech and math geeks, but it's brilliant. Simple style with big ideas. The latest comic created ...