Google Operating System spotted that Google Maps added "kinetic scrolling," which is a form of smooth fluid scrolling, on Google Maps. Basically, as you pane through the mouse with your mouse, the map will slowly continue to scroll and slow as you let go. A video best describes it:
I like this addition to Google Maps, do you?
Other additions include BlackBerry Storm 2 upgrade for Google Maps for mobile and a new Google Maps for mobile v4.1 is available.
Forum discussion at Google Blogoscoped Forums.