A couple of days before Christmas, I went to see the NHL’s Nashville Predators play on their home ice against the defending Stanley Cup champion Colorado Avalanche.
Amid all the silliness of a modern pro sports experience – the home team skating out of a giant saber-toothed tiger head, the mistletoe kiss cam, a small rock band playing seasonal hits between periods – there was a steady stream of advertising for DraftKings, a company known as a sportsbook that takes bets on athletic events and pays out winnings.
