SuperBowlAd

Call it the "second-screen" Super Bowl. About two-thirds of smartphone and tablet owners use their gadgets to do things like text or post on Twitter while watching TV, according to research firm Nielsen. So, for Sunday's game, companies from Coke to Chevy are trying to reach fans on all the "second screens" they have.

There were plenty of interesting Super Bowl ads during Sunday's game, but Hyundai's "Assurance Deal" ad caught my ear, if not my eye, when the announcer said the car company would take a Hyundai back if the buyer lost a job within a year of buying it. As someone who was laid off last year, and who...