Really? Can you name the company? I had some "is this a good idea for a start up" conversations with someone like 5 years ago who had a similar idea but didn't

Really? Can you name the company? I had some "is this a good idea for a start up" conversations with someone like 5 years ago who had a similar idea but didn't pursue it and I'd love to be able to point to a company that was actually doing it.