How many people read the Terms and Conditions of software they install? How many people read T & C of software updates they install? This tidbit can be found in the legalese of Microsoft's Service Pack 3 for Windows 2000.

"You acknowledge and agree that Microsoft may automatically check the version of the OS Product and/or its components that you are utilizing..."

"By using these features, you explicitly authorize Microsoft or its designated agent to access and utilize the necessary information for updating purposes. Microsoft may use this information solely to improve our products or to provide customized services or technologies to you. Microsoft may disclose this information to others, but not in a form that personally identifies you."