policy could be a responsibility for specific organizations and individuals and the like, but the paul mason best policymaking should be the stakeholders. as far as i can tell, that has been working for the last 32 years and can continue to work if you just let it. next question. >> several questions about hacking. the white house, the state department have had networks hacked. will there come a day when such hacks are not possible? and someone else wonders who is responsible for cyber security? who can ultimately stop the hacks from happening? vint cerf: the answer lies in the previous response as well because we are all responsible for improving the safety and security of the internet. your own choices, your practices, the practices of internet service providers are all part of this fabric. that we have to maintain. there is a visual model i have in my head. imagine you have a set of homes whose backyards are all shared. there's this big kind of park. the front doors go out this way. imagine there's some nincompoop who insist on leaving his house unlocked. even if everyone else lost the ho