Microsoft to take on Google Earth?

All Points Blog notice an interesting recent acquisition by Microsoft;

Microsoft Acquires GeoTango - All Points Blog.
In a very quiet note on its website, GeoTango noted on December 23 that the Canadian visualisation company was acquired by Microsoft. GeoTango is known for its 3D visualisation and content development tools...

Microsoft Acquires GeoTango - All Points Blog

Interesting to note what www.geotango.com do;

3D Internet Visualisation – GeoTango GlobeView™ delivers a 3D digital earth allowing you to interactively explore the world.

3D Site Building – SilverEye™ is uniquely capable of generating 3D building models from single images. Rapidly build 3D models of urban centers or facilities of interest such as military and nuclear installations. Use either satellite imagery or aerial photographs. Export your results to mapping, gaming and 3D simulation packages in popular GIS and OpenFlight formats. This patent-pending technology is the fastest approach to build 3D models of any location in the world.