Instead of coughing up for a Super Bowl ad, online insurance firm Esurance decided to buy the first ad after the game, and get attention by giving away the $1.5 million it saved, reports AdWeek. The company says the cash will go to one lucky Twitter user who tweets anything with the tag #EsuranceSave30 up to 36 hours after the game. The winner will be announced on Jimmy Kimmel Live on Wednesday, reports E! Online, which notes that the stunt involves the largest sum ever given away on social media. (More Super Bowl stories.)