Forbes covers Bing Maps and compares it with Google Maps.
Massive points to Microsoft on this one.
Over the past three years, Microsoft has created a uniform, detailed map of the Continental United States and 17 countries in Western and Central Europe. The results are spectacular – a single view of about 7 million square miles, with relatively even lighting and height, at a granularity of about 30 centimeters of land per pixel of image.