Allowing collaboration that doesn’t need servers belong to evil-bad strangers. … At Opera, we want to put you on the web, so that hackers can interact directly with you when they want, how they want. Welcome to Opera Unite, the web you know, just even less secure.
No, seriously Opera, what the hell are you thinking? You want to make every browser a web server as well. This will die a quick death, I hope. Or it will go down as one of the most colossally bad ideas of teh internets.