the 10 kilobyte web-app challenge is very interesting this year.
Yes, it’s another voting opportunity for you. This time it’s a learning one to boot. Selim Arsever of gameQuery fame has written a tiny “pole position” style game, RACER 10k. It works in-browser and will amaze novice and advanced programmers alike. Check that out and other interesting contenders at A List Apart’s 10k Challenge.