At least as far as the US is concerned, shrink wrap licenses restricting your fair use rights were not received favorably by courts up until the late 90s. This

At least as far as the US is concerned, shrink wrap licenses restricting your fair use rights were not received favorably by courts up until the late 90s. This has changed somewhat in the past decade and change. It'll be interesting to see what comes out of the supreme court on the 'first sale' case, which is a closely related topic.