apple-ii.jpg“It will get on all your disks/ It will infiltrate your chips/ Yes it’s Cloner! It will stick to you like glue/ It will modify RAM too/ Send in the Cloner!” 

That was the meseage that would pop up every 50th time you would start your Apple II.  In 1982 this virus named “Elk Cloner” was programmed by a 15 year old 9th grader named Richard Skrenta as a practical joke.  He had no idea the worm hole he had just opened.  Pardon the pun. csmonitor article