Experts from Protect Your Bubble have revealed the retro gadgets that are now worth a fortune, including phones, cassette players, and gaming consoles. Topping the list is the Sony Walkman TPS ...

In 1979, Sony introduced ... CD player by the end of the decade. See Walkman. In the late 1970s and early 1980s, many of the first personal computers allowed audio cassette recorders to function ...