Originally Posted by Ralph Sir Edward
3. If I record the movie off the air from Turner Classic Movies, under the 1984 Betamax Supreme Court ruling, I violate no law and can use my copy to my heart's content.
That's not quite true. You are allowed to record the movie ONLY for the purpose of "Time Shifting" - ie watching it at a time that's convenient for you. Once you've watched it, you must delete it, or else you're back in the arena of copyright infringement again.