While cruising the net I found this interesting bit of history on Tetris.

http://www.atarihq.com/tsr/special/tetrishist.html

And it must suck for Alexey Pazhitnov :P.

"Alexey Pazhitnov made nearly no money from Tetris itself. ELORG made, then cancelled a deal that would have given him merchandising rights to Tetris. "