How does Windows Live ID help protect my privacy?
A. Microsoft recognizes that your privacy and the protection of your personal information are important to you. Windows Live does not sell or rent your personal information to third parties, except as is described in the Microsoft Online Privacy Statement. Windows Live uses your personal information for the operation and maintenance of your Windows Live ID and to help you share information with the Windows Live ID sites and services that you sign in to, according to your stated sharing preferences.