The ArcGIS Extension for Bing Maps version 1.4 released June 2009. Version 1.4 adds a Route Task for use with ArcGIS network analysis services.
The ArcGIS Extension for Microsoft Bing Maps (formerly Microsoft Virtual Earth) allows you to extend the Bing Maps API to use ArcGIS Server services. With this extension, you can add your own data to the Bing Map Control and embed this map in your own page.
The documentation has a new look. The same getting started, sample, and library reference documentation is available for your use:
If you are new to mapping and GIS, and would like to learn more about GIS concepts, you can check out What is GIS? on the Geography Matters Web site.