No Talking Cafe
How many people have gone to breakfast on a sunday morning, hungover after a night of binge drinking, and don't want to hear any annoying individuals around them while they eat? How many people are having horrible days and just want some peace while they enjoy their meals?
Well, at the No Talking Cafe I want to have a completely silent restaurant. The least amount of human interaction possible. You'll seat yourself, you'll order everything the way you want it on a computer register at your table, so the only interaction will be a food runner that brings you the food. You pay at the table as well.
Then you got to ask 'well how is that possible?'. Sure you'll have a tough guy come in and say 'I can talk wherever whenever I want', and he'll open his yap. This is why we'll hire a security guard at the door for wiseguys like that, and he'll warn him once then after that escort him out and he's through. No Talking Cafe - it's a gold mine ready to happen. I believe they'd be ideal at locations near colleges, universities, ...