Watch the drama that accompanies this message: Pretty Okay Café

Mary Kassian: Look at this . . . mmm. (laughter) If you are watching TV, and I put a big bowl of chips in front of you, and I said to you, “Bet you can’t eat just one!” Do you think you would be able to stop munching after just one chip?

That slogan: “Bet you can’t eat just one!” was one of the longest running ads in television history. The series of potato chip commercials launched in the mid-60s, and the first one featured a split screen of a well-known actor and then the actor dressed up as the devil.

So the devil—the red-horned, pointy-tailed demon—tempts the look-alike with an open bag of chips. “Bet you can’t eat just one!” And after the first bite, the actor grabs the chips out of the devil’s hands and wolfs the rest of them down. They are irresistible. No one can eat just one.

Over the past fifty years, we’ve seen a parade of actors and athletes and well-known celebrities in the commercials. All of them tried to stop after eating one, but—guess what? They couldn’t! The urge for another chip was so strong that they couldn’t resist.

It’s a clever slogan. And I think the reason it’s had such a successful run is that it’s true. It’s hard to eat just one. It’s tough to eat one. You open the bag, and you tell yourself, “Oh, I’m just going to have …