Great thing. It reminded me of the time when I used heuristics for developing tic-tac-toe in C. And realized that to make computer play a simple logical game it

Great thing. It reminded me of the time when I used heuristics for developing tic-tac-toe in C. And realized that to make computer play a simple logical game it takes hundreds of lines of code. So I really appreciate the amount of thinking gone in developing such AI entirely from discrete states of HTML pages.