Bing Maps API and Interactive SDK features an AJAX Map Control. Use BM to build maps which can include routes and traffic info. Gives developers the ability to code the controls, shapes, and layers of the maps, and can summon the birds-eye, 3D, and aerial imagery. For commercial applications Bing Maps Web Services is a set of programmable SOAP services that allow users to integrate maps and imagery, driving directions, and other location features into a Web application.
Facebook Timeline, the new profile design launching soon on Facebook, makes broad use of the Bing Maps API. Similarly, the Facebook Places feature also incorporated Bing, but now both maps use a different, more simplified style.