I think the most useful application of this technology(except entertainment) would be conference calls. Even with a polycom conference phone, you still have to

I think the most useful application of this technology(except entertainment) would be conference calls. Even with a polycom conference phone, you still have to concentrate to follow the conversation. It's even worse when people don't wait their turn to talk... If someone can include this technology in an unobtrusive way in Skype, there's a Nobel prize waiting for them...