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.