I'm finishing up an update to my (co-written with my brother) HTML5 Canvas book (O'Reilly), and I wanted to share one of new examples. This one takes the Video Puzzle app from the first edition of the book, and adds web cam support. It only works in Chrome right now. You also need a working web cam. Also, you might have to start the web cam before the browser will see it. To play the "game", click the pieces to swap their positions. Make yourself whole again!
Check it out by clicking the image below: