Opera Unite
http://www.youtube.com/watch?v=D5hr-6cw4M8
With Opera 10, we are introducing a new technology called Opera Unite, radically extending what you are able to do online. Opera Unite harnesses the power of today's fast connections and hardware, allowing all of us to help define the future landscape of the Web, one computer at a time. Read about how Opera Unite is going to change the way we interact on the Web on labs.opera.com.