I was first introduced to the 5-3-1 rule at an anime convention in college.  No idea when the concept was invented, but that was my introduction.

Anyway, as I was perusing the con’s schedule I discovered a full-page notice, recommending that all attendees follow the 5-3-1 to prevent the spread of avian flu.  (I think it was avian flu.  It was either that or swine flu.  Whichever it was, places with lots of people were very concerned about it spreading.)  Below the big, scary letters they outlined what 5-3-1 actually meant.Read More »