In opposite to the World's Oldest Optical Illusion? that was posted here at Neatorama around Christmas last year, here is one of the most recent optical illusions out there. It's a piece of text that seems to grow and curve, especially when you look at the corners of the image.
Link - via Reddit
http://9gag.com/photo/96199_460s.jpg
http://4.bp.blogspot.com/_nlB2iavXqvs/SOfFOzU7NMI/AAAAAAAACMM/wMXGgJsvFpo/s400/Focus+Illusion.jpg