I thank Senator David Pocock for his question. I don't think I can say anything more than I've already said. I'm not disagreeing that this is an important topic. It is a modern form of communication that we'll need to look at. The issue is complex. It's more complex because you're dealing with the internet and a range of other issues about how people can avoid having information delivered to them. The issue will be discussed by JSCEM. They will come up with a considered view on that. Let's have a look at what that view is.