If you go to here.com, and click the "blue man" at the bottom middle, it shows the panorama image's coverage in some transparent blue blobs. This view also gives you a preview what's coming next. It's using a slightly newer map data and potentially more features that will come to the main map view.
In the following example, it's showing a new feature that display the toll roads in a reddish color and the roads under construction will be displayed in a dashed line style.
