For those of you familiar with Google Street View, Microsoft has their own version of a similar concept but with some variations. Check it out:
http://www.bing.com/community/blogs/maps/archive/2009/12/02/bing-maps-adds-streetside-enhanced-bird-s-eye-photosynth-and-more.aspx
For some more techy info if you use Bing maps read this:
http://www.bing.com/community/blogs/MainFeed.aspx
