In its simplest form, the clipboard enabled the user to simply grasp the concept of moving a copy of the information from one application to another. Simply stated, I'd like to extend the clipboard user model to the web.
Clearly as the flexibility and potential of 'mashing up' and recombining application components gets closer to someone who understands the user's needs, the value to that user increases.
We will be leaders in terms of understanding where ads really serve the user to get their jobs done, not just in a search box on the Web.