Earlier quoted context omitted.
You know what kinda did "imply a change in functionality", though? This text that you see, writ large, when you open Spotlight: "In addition to searching your Mac, Spotlight now shows suggestions from the Internet, iTunes, App Store, movie showtimes, locations nearby, and more. To make suggestions more relevant to you, Spotlight includes your approximate location with search requests to Apple." Seems pretty clear to…
But that's the thing: you don't see that text when you hit cmd-space and immediately start typing, as somebody trained to use Spotlight is naturally going to do. Therein lies the problem. It's not that they added the feature--sure, go nuts. It's that they enabled an internet-facing feature without the courtesy of something modal to ensure that a user who has been trained-- by them --to just go will understand the ram…
Really what would you do with the UI to make this feature prominit enough to the user?