Unless your a complete hermit and/or man craft blogger (ahem...), you come across people you don't know everyday. And it's likely that at least half of them will be men, and half of that group will have facial hair. This, it turns out, is a good thing, as the key to judging both character and sinister lies in one's beard.
So, simply print out this handy reference chart by Matt McInerney for your easy reference.
Just remember, it goes left to right.