Startup Idea : Thought reader

A mobile app that shows you what people arround you are thinking about anonymously. for example: every user put a hint what he is thinking about while he is at a cafè, restaurant, or any public place, so the app will show you on a distance of 20 m what people are thinking if some thought are intersting you can ask to connect with this person, in other hand this person receive your request and he can see your identity and what are you thinking about so he can decide if he ignore your request or chat anonymously or reveal his identity for you. This app permit a new way for socialising and meeting nee people on a new special way