Heh–this is one of the cooler things I’ve seen in quite a while. David Friedman of Ironic Sans has hidden a picture in an innocuous-looking gradient. Can you find the image? It’s fun to poke at the pixels a little to see what you can discover. To see the hidden image plus the steps for hiding it, check out the follow-up post. [Via Marc Pawliger, Tobias Hoellrich, & Jeff Tranberry]
Elsewhere in the realm of genius through illegibility: check out this recruiting ad for Lunar BBDO, rendered in typographic dingbats. (That that, Google math nerds. ;-)) For more on steganography (hidden writing) of all sorts, check out the Wikipedia entry.