Technological innovation tends to unfold exponentially and ruthlessly; whenever a new technology takes over, an old one falls out of popular usage and becomes obsolete. For example, once email became adopted by the vast majority of the working world, snail mail became a nostalgic relic of the past (for most individual communications). By the time Blu-ray discs gave us a platform for high-definition video, VHS tapes were long dead. It’s hard to predict what technology will next go obsolete, since many soon-obsolete technologies are current mainstays in daily life and phase-outs tend to be gradual, fading out almost imperceptibly. However,…

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