Cleverness

This was pretty clever. David at Ironic Sans posted this little image and invited people to try to find the picture hidden somewhere within it: Give up? You won't find it by staring at the image or crossing your eyes. Eventually someone figured out that if you open the image in Photoshop and look at the histogram levels, you will see the New York City skyline! You can read more about how he accomplished this trickery here. via daring fireball