How to make 30 seconds worth $7 million

    77

    Advertisers shell out $7 million for a 30-second spot during this weekend’s Super Bowl because it promises more than 110 million viewers. CNN’s Elizabeth Wagmeister explains.Advertisers shell out $7 million for a 30-second spot during this weekend’s Super Bowl because it promises more than 110 million viewers. CNN’s Elizabeth Wagmeister explains.