I did not know about Sonic Drive-Ins until well into the 1990s, but they have been around and making fast food since the 1950s. I like this folksiness of this commercial and I think the “Happy Eating” slogan is great. My only problem with the ad is the actor seen above. She takes the smallest nibble out of her Sonic burger. It looks to me like she was not committing to the moment or that she does not like “Happy Eating”.