Black Dots Illusion od BrianZ

As you look around the header, do you see black dots blinking on over the white dots? There are only white dots over the gray grid. To rate or comment, login here: https://addons.mozilla.org/en-US/firefox/addon/black-dots-illusion/#id=372510 See all my personas here: https://addons.mozilla.org/en-US/firefox/collections/BrianZ/personas/ (optical illusion, black, white, dots, gray, grid) (c) 2012 BrianZ All Rights Reserved