Certainly, finding means by which we can actually increase transparency and users can understand the context in which they're being served information is something that we're constantly working on.
We actually produced a report—I think it was 25 pages—on how Google fights this information. That includes an entire dedicated section on YouTube that explains much of what I described to you, as well as, again, the general factors that go in. It's something that we'll strive to work towards, like we're doing on ads on the YouTube platform as well.