Infographics is such a huge part of everyday life for those of us who like to read things, and learn stuff and shit. They've become such a standard communication mode, that I'd argue many of us don't remember what came before. Simple ones like those that were often displayed in the Sunday magazine come to mind, but the true art is revealed the more complicated the topic gets.
I was pretty blown away by the article in The Washington Monthly recently about Edward Tufte, who's pretty much the man when it comes to infographics. Here's the link:
And in honour of infographics, see below for a couple of interesting ones - one about Google's ongoing attempts to clamp down on SEO cheaters and the like, and one with some interesting facts about Facebook use.