From Vegas Inc Wagering on sports has come a long way since the days of the cigar-chomping, mob-backed neighborhood bookie who would take bets on games. Today, the bettors are far more sophisticated, armed with computer-driven statistics and analytics used to beat the bookmakers in Nevada’s legal sports books as well as the offshore books that the Internet-savvy can find — betting markets that have an estimated $500 billion handle per year. Several presentations at this week’s International Conference on Gambling & Risk Taking offered research on trends gamblers are using to become more sophisticated in their betting. Kevin Krieger...