Well, Yo app was an awful idea, funded with money even. Several years ago, I've read in a newspaper in Barcelona about an european startups who rented private

Well, Yo app was an awful idea, funded with money even. Several years ago, I've read in a newspaper in Barcelona about an european startups who rented private toilets ala airbnb so you can, well, you know what I mean. Toilets were rated by cleanness, location, etc. I lost track of that project.