How to Capitalize Headlines, Codified in a Flowchart

I am a sucker for a good flowchart; furthermore, a fan of hand-drawn infographics; and also a partisan of overly-systematized grammatical guides.

So this chart on how and when to capitalize headlines, created by Publishers Weekly managing editor Dan Berchenko -- and published by The Millions -- lands perfectly in the tiny Venn overlap of these three passions.