article ref to 50th birthday of video games

[Eric Smith]

Paul_Koning at dell.com wrote about Tennis For Two:
> Neat.  That predates the PDP-1 "spacewar" game, which I had thought of as the oldest.  And it may still be the oldest video game on a digital computer.
>   
There was no digital computer involved in Tennis For Two.  It was 
effectively an analog computer
 custom designed for the game.

OXO on the EDSAC may be the earliest known video game on a digital computer.

Eric