I don't think this is the first time I see this type of concept (not sure).
One thing is, you'll have to get a ton of users at start. Unless people start actively using it everywhere, everyone will slowly stop using it because there will be no content. I do believe it will be hard to achieve.
One thing is, you'll have to get a ton of users at start. Unless people start actively using it everywhere, everyone will slowly stop using it because there will be no content. I do believe it will be hard to achieve.
The idea is great, good luck!