Update: It looks like this deal isn’t working. We’ll let you know if it’s available again.
Like free coffee? Stop by allyou.com and click on “free medium coffee at Dunkin’ Donuts.” Create a DD Perks Rewards account and receive a coupon for a free medium beverage at Dunkin' Donuts! As a bonus, receive another free medium beverage coupon on your birthday, plus get special offers each month.