I actually prefer that button (that launches an action) to be a verb. It does not add ambiguity, because the search provider is not customizable on the iPhone

I actually prefer that button (that launches an action) to be a verb. It does not add ambiguity, because the search provider is not customizable on the iPhone (AFAIK), so it might be for the better off that way. I remember being surprised that it wasn't, when I first got mine about a year ago.