Now that I can't answer. I do know their goal for making it a charm was to provide an easy platform for apps to implement search, to get as much participation a

Now that I can't answer. I do know their goal for making it a charm was to provide an easy platform for apps to implement search, to get as much participation as possible. That said, each app could still individually make design choices toward usability. Seems like what you're asking for should have been an obvious improvement in such a central app (and put usability far beyond Apple's App Store).