In 1983, just a year after the introduction of the compact disc, Kees Schouhamer Immink and Joseph Braat presented the first experiments with erasable magneto-optical compact discs during the 73rd AES Convention in Eindhoven.[9] It took almost 10 years, however, before their idea was commercialized.

What technology would you be better off without, why?

there was a store selling electronics that was going out of business and was selling these and the players very inexpensively and my brother bought a bunch of them but soon after these all became items people didn’t want and they were no longer sold! – “The” Trainer Outdoor Training Specialist /Consultant