In the very near future it will become practical for a wearable computer to record every
moment of your waking life. There's an ongoing discussion about the etiquette
of devices like Google Glass, but there are also long-term implications that
are completely separate from questions of privacy. As we make greater use of
mobile computing devices, our cognitive habits are likely to shift away from
relying on our own recollection of events and toward consulting digital
video. Will this change the way we understand our pasts?