WHO: Krispy Kreme Doughnuts
WHAT: A dozen free original glazed doughnuts when you buy ANY 12 donuts.
WHEN: Saturday, December 12.
WHERE: All participating Krispy Kreme locations.
WHY: As part of their yearly Day of the Dozens promotion.
Doubt that it's this strict of a promotion, but Krispy Kreme made an awesome, scannable glazed barcode video that you present when getting your free doughnuts.