Business Insider – Jason Somerville, a professional poker player, could see that all the cards had been dealt and the final board was 3, 4, 5, 6, 3. Mr Somerville had an ace and a king. His opponent paused. He was down to the final five seconds of his time bank before he finally bet. That could have meant one of two things. Either it was a hard decision, or he was distracted. Had the game been in a casino, Mr Somerville would have been able to see which. But it was online, so he couldn’t. Instead, he took into...