Google added some new design and feature elements to Google Maps.
Helicopter View is one of the cool features Google added last week. It basically flies you through your driving directions. Google said, "Using the 3D preview; however, you can get aerial view of the route, as if you were in a helicopter flying above the road."
Here is a video of it in action:
Google also cleaned up the design of Google Maps. Many small tweaks here and there. This is documented in this blog post.