This seems to be a direct response to Google's latest acquisition of @Last software, or perhaps just an effort to catch up to Google Earth. According to M$, the acquisition will enable them "to deliver a dynamic immersive digital representation of the real world that provides the best local search and mapping experience." Can you ever be the best when all you're doing is playing catch-up? http://news.com.com/2100-1030_3-6051449.html