i suspect by midcentury the collaborative comments will be the dominate economic engine. the capitalist market will still be a strong player but in each partner. >> host: have these housing cooperatives helped firefighters pay their rent in new york? >> guest: cooperatives have helped that. they can fix the cooperatives determine what they're going to be doing that their members. they can fix this to some extent. i'm not saying that the whole world is going to move towards a zero marginal cost society. understand large parts of the human race are moving some economic activity onto the internet, onto the collaborative comments. if nothing else, this is the best news in my lifetime. i never thought in my lifetime we would see the emergence of a new economic system, a collaborative comments so different from the traditional socialist capitalist systems we now have. so how we develop it, the challenges involved as we move towards that are quite interesting and they will be difficult for sure. but the fact we actually have a new possibility, a new economic journey ahead of us,