Never a dull moment in the brave new mapping world. Yesterday, Microsoft introduced support for a sizable subset of KML in Virtual Earth. Today Google adds support for the network link to Google Maps. The network link is the single-most powerful KML tag in Google Earth; it lets you subscribe to live, changing datasets, and it can also be used to return data dynamically, customized to your view or other inputs.
Here’s a network link I prepared earlier:-) Notice too the way in which Google Maps preserves the folder structure of the KML:
(Via Digital Earth Blog. Mickey is very happy:-)