Investigator David H. Grosof writes:
A team of three successfully have used computation and communication devices to improve their odds at the roulette wheel, made 2.5 million bucks and did it legally. Reason: you can bet after the wheel has been spun, and they got enough data from imaging to improve their odds. I wonder what Edward Thorp, author of Beat the Dealer and the father of blackjack card-counting, has to say about this. (Thorp went on to hedge fund and derivatives betting on Wall St.).
Here are two mainstream news reports, and a more technical report, and a typical eclectic Slashdot discussion.