Whoa, neat! Apparently they sometimes show up just as blank spots on the Adult Swim TV guide, which I remember seeing in the past but had no idea what it meant. They even have a Wikipedia page: https://en.wikipedia.org/wiki/Infomercials_(TV_specials)
yup, I made minimum wage at a Krogers back in 2010 and the folks working there now are making the same $7.25 I was back then.