The Commodore 64 remains the best-selling desktop computer of all time (according to the Guinness Book of World Records), even though it’s a computer that has been out of production since 1994. But ...

What links the following? #1: a best-selling home computer, #2: one of the most beloved non-console gaming machines of the 80s and 90s, and #3: the first personal computer to sell over 1 million units ...