I can almost guarantee that the 11-month max is Amazon's policy response to the Microsoft permatemps lawsuit. http://en.wikipedia.org/wiki/Permatemp http://en.

I can almost guarantee that the 11-month max is Amazon's policy response to the Microsoft permatemps lawsuit. http://en.wikipedia.org/wiki/Permatemp http://en.wikipedia.org/wiki/Permatemp - scroll down to the Vizcaino v. Microsoft section.