what's a backup?
Question: should you be allowed to backup the DVDs you own? If you leave ten on an airplane or lose them in a fire, do you have to buy replacements? Is it against the law to act out a scene from Star Wars in the privacy of your own home? What about listening to an audio recording you made of the movie? Or watching movies you've purchased on your iPod?
You can't backup your car or your shoes. You can backup your email and even Excel.
I wonder what Proust would say.