Dunkin Donuts - Free Drink on Your Birthday

Are you a Dunkin Donuts Perks member? I just got an email letting me know that:
Simply update your DD Perks® profile with your mailing address and add your birthday. Then we’ll send your coupon good for a free coffee, latte, tea, Coolatta® or hot chocolate straight to your mailbox.
LOVE FREE Dunkin Donuts!! What a great way to start off your birthday!
If you are not a member, you can enroll today and get a FREE Medium beverage in addition to your birthday treat!