Vint Cerf is widely regarded as one of the fathers of the Internet thanks to his work on ARPANet, the military’s predecessor to the modern Internet. That’s why his words should have more weight when he says that preserving digital information for future generations is incredibly important and will be difficult if something isn’t done soon. Specifically, Cerf raises the question of how people will be able to read particular files if the format is decades or even centuries out of date.