Developers working with Google's next generation of its popular mapping API (our Google Maps API Profile) will be pleased to learn that some new features have been added to the API. Since its initial release a little less than a year ago, v3 of the Google Maps API has steadily been growing in terms of features and functionality. The latest addition of features are three new "layer classes" that make it dead simple to add KML (or GeoRSS), traffic, or bike routes as overlays on a Google Map.
When Google first launched its location-sharing service, Latitude, developers were left wondering how to access their users' data. Now, over a year later, we finally have a Latitude API. But we also have a number of other similar services that have better traction and are arguably more fully featured.