https://www.dunkindonuts.com/perks/e...cid=pks_000016
Starting May 3, 2010 new Dunkin' Perks members will receive one Free medium beverage coupon for enrolling.
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If you are already enrolled, "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."
Starting May 3, 2010, enrolled guests who have provided us with their birth date and have opted-in for email communications will receive a Birthday Perk coupon for a free medium beverage of choice for their birthday.
The Enrollment Perk coupon, valid at participating restaurants, will be delivered via US Mail to the address provided in the enrolled guests Dunkin' Perks Profile at the time of mailing.