First of all, 20 year olds are the last focus group for such a thing so it doesn't matter if you've never heard of it. That there are competitors shows there's

First of all, 20 year olds are the last focus group for such a thing so it doesn't matter if you've never heard of it. That there are competitors shows there's something there. Thirdly, he's not trying to clone an existing service, he's trying to create a new one that makes sense to him from the ground up.