- Spinning clockwise or counter-clockwise? all three? or just one? jeffwongdesign: Best optical illusion.: https://bit.ly/9Gfvhg via @addthis #
- Jesse Schell on game development after Facebook. https://g4tv.com/videos/44277/DICE-2010-Design-Outside-the-Box-Presentation/#ixzz0gV1uJwBf #
