Vista features that phone home

Softpedia has an interesting article on the twenty features in Windows Vista that collect and transmit potentially personally identifiable information back to Microsoft:

Forget about the WGA! 20+ Windows Vista Features and Services Harvest User Data for Microsoft - From your machine! - Softpedia

... Windows Update, Web Content, Digital Certificates, Auto Root Update, Windows Media Digital Rights Management, Windows Media Player, Malicious Software Removal/Clean On Upgrade, Network Connectivity Status Icon, Windows Time Service, and the IPv6 Network Address Translation (NAT) Traversal service (Teredo) are the features and services that collect and deliver data to Microsoft from Windows Vista. By using any of these items, you agree to share your information with the Redmond Company. ...