Enough with these boring yet another social networking site, startups that want to make commission off insurance companies and otherwise people twittering their life away. What I think would be a cool invention: If we can allow colour-blind people be able to see colour. How awesome would that be? I was inspired by this video: [video]https://vimeo.com/channels/staffpicks/121698707[/video] You can almost breathe the fresh air. What would you want to invent?