This is the patent license for those interested in implementing the "Caller-ID for E-Mail Technical Specification."
This patent license is intended to expand upon the rights that Microsoft grants to those interested in developing and implementing the "Caller-ID for E-Mail Technical Specification" in a software product. Anyone interested in implementing this specification, should review the terms of the patent license before beginning.
Copies of the technical specifications for the Caller ID for Email Specification, which include an associated copyright notice and license, can be found at http://www.microsoft.com/mscorp/twc/privacy/spam_callerID.mspx.
http://www.microsoft.com/downloads/details.aspx?FamilyID=d4d43d49-8772-4601-afdc-a9b0ce6bdc81&DisplayLang=en

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic