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It is hard to believe that the first iPod was released in 2001, a mere fourteen years ago.'We quickly moved from bulky Sony Walkmans, to the click-wheel iPods with mini-hard drives, to now having flash memory. CDs, the previously disruptive technology that sent vinyl albums into the dustbin of history, were quickly displaced by digital music files and portable music players. This transition in our culture from a physical to a digital world has occurred at an impressive, if not dizzying, pace. From smartphone apps to digital music streaming services, our world has replaced the tangible and the analog with the digital. Since the 1990s, the ability to make and share multiple copies of two-dimensional pictures and movies with negligible cost has brought benefits, such as increased access to information and cultural innovation. Yet the facility with which one can make and share digital copies has brought tremendous pressure …