 The Internet is a very complex beast. And if we look at the responsibilities with respect to security, it is a complex set of security questions. This is about security in an internet-worked world, security about the network itself, security of the civilians that use the Internet. And we're trying to dissect that a bit. And if we look at the security of the Internet as a system, we're trying to elaborate what that means in terms of how do you get to a secure Internet that is trustworthy in the Internet way. So collaborative security is really about looking at the Internet as a system and thinking about what are the properties? What are the properties that bring social and economic welfare to the people that make the Internet usable and that have created the paradigm shift that it is for humanity in essence? So how do we make sure that we keep those possibilities, protect the possibilities of the Internet, while at the same time enhancing trust? In the Internet, that is about making sure that you collaborate. One of the things that made the Internet what it is today is that people collaborated in solving problem approaches around the things that they cared about. Network operators coming together, building Internet exchanges, network operators coming together, building computer security incident response teams together with, say, local authorities that said this is my critical infrastructure or together with the operators of, say, mail systems. And it's that establishing trust, establishing these collaborations that allows for the agility to make essential steps towards security. So that is in a nutshell collaborative security. What I always say is that when you are on the Internet, you're part of the Internet. And that means that you have a certain responsibility for the Internet as a system, so to speak. As a consumer, that should be more or less out of your peripheral vision because it's not your responsibility to maintain a network infrastructure. But it is your responsibility to, for instance, if you have a PC at home or a laptop, to install a virus scanner or to run a regular update. And in that sense collaborate with the general environment to make sure that your computer cannot be taken over because you have up to speed security on that computer which you installed yourself and can be used against others in the Internet. Yes, I think so, but in terms of security for themselves. And I think that's good enough, specifically for the consumers. For network operators, I think the story is a little bit different. For network operators, it is about making sure that whatever happens on your network cannot negatively impact the rest of the network. Or putting in an investment that may not necessarily bring return on investment right away. And then we're talking about the sort of infrastructure security mechanisms like DNSSEC and routing security mechanisms. And if it doesn't come to the security as such but just the scalability of the Internet, the deployment of IPv6, that is not necessarily a consumer thing. But it allows the consumers to maintain trust in the Internet and book their next vacation or buy that next book or meet that next friend on the Internet.