The Grinch is more popular than ever. There's a new McDonald's meal and tons of Christmas merch. Here's why it happened.

Tech Insider : Economy, Business, Style
Fan in a Grinch mask at a football game.
The Grinch is everywhere: in movies, on store shelves, at McDonald's — and at this NFL game where a fan dressed as the green character.

AP Photo/Maria Lysaker

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