Online betting companies are kicking off a Super Bowl ad blitz
What was once a niche sector in Las Vegas has grown into a national mega-business that people can enjoy from their living rooms — and the advertising dollars have followed.
It's not just the office pool anymore. More than half of U.S. states now allow legalized sports betting, and in many cases it's as easy as opening an app on your smartphone and making a wager.
A whopping 17.6 million people are expected to place a bet on Sunday's Super Bowl online or in person at a sportsbook, according to the American Gaming Association.
It's not all profits for the operators, though. Sportsbooks are putting.
