AdvertisementOnline betting companies are kicking off a Super Bowl ad blitzUpdated February 13, 2022Joe HernandezfacebookEmailGamblers place bets in the temporary sports-betting area at the SugarHouse Casino in Philadelphia on Dec. 13, 2018. An estimated 17.6 million people are expected to place a bet on Sunday's Super Bowl online or in person at a sportsbook. (AP)This article was originally published on February 11, 2022.