http://www.theregister.co.uk/content/4/26517.html
The colonization of everyday life
"...a clause was smuggled into a security patch in June.
On the other hand, users already consent to similar conditions whenever they use the Windows Update facility - and few complain.
The change needn't apply to corporate users. Microsoft recently introduced Software Update Services, which allows managed upgrades across the Intranet to users with Active Directory. (So you don't have thousands of desktops hitting Microsoft servers at once).
We've asked Microsoft if this was a legal or a technical decision, and what was behind the decision to make installation of the service packs conditional on this clause. We await their reply.
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