When was the last time you inserted a floppy disc into a drive, made a call on a landline telephone, or clapped to activate your appliances? If the answer is "not since the Reagan administration," you're far from alone. Enter the laundry list of now obsolete tech, beloved gadgets  throughout the '70s and '80s ... and not much longer after that. 

From Apple's first computer to a new "'C'VTR" that "only" weighs 15 pounds, here are 15 pieces of long-gone technology that people actually used in the '70s and '80s.