Flashback to the early 1980s, when every computer science course at this pilot fish's university is taught using monitors and keyboards -- except one.

"That particular Cobol course was still taught using punch cards," says fish. "Not sure why -- maybe just to make sure we would be familiar with punch cards before we entered the workforce.

"Because every upperclassman who took the course complained loudly about the problems associated with punch cards, all of us younger computer science students already knew the horrors awaiting us -- including the fact that a lot of trouble could be averted by just numbering the cards.

To read this article in full or to leave a comment, please click here