T-Rex Illusion [yt]A4QcyW-qTUg[/yt] http://www.youtube.com/watch?v=A4QcyW-qTUg [with comments] [via/embedded at http://www.huffingtonpost.com/2013/12/26/t-rex-optical-illusion_n_4504088.html (with embedded "Optical Illusions" slideshow; no comments yet)]