ok, this is just WAY out there, but its fun ;>

http://www-rci.rutgers.edu/~cfs/472_html/Intro/Levels/Levels.html

talks about different ways of expressing things, but the neat thing is that they show tic-tac-toe being played in 3 different ways! i realize that there will probablt be nothing constructive from this, but you never know.

plus, i thought that the tinkertoy computer was just cool.