Let’s look at a Silverblue laptop I recently installed, for example:
Each conference was dutily edited by von Foerster from "a stack, three inches thick, of legal sized green pages".
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Bose QuietComfort Headphones
An AP-101SL computer at the National Air and Space Museum, VA. The slot at the top held nickel-cadmium batteries to preserve the contents of the CMOS memory, but the batteries were removed for safety during storage.