CARIBOU COFFEE: Create an online account to cash in on a free coffee drink.
STARBUCKS: Ask an employee for a Starbucks card on your next visit, then register it online. Not only will you receive the beverage of your choice once a year, you also will accrue “stars” with every visit. Accumulate enough stars and get free goods.
DUNKIN’ DONUTS: Enroll in “Dunkin’ Perks” on dunkindonuts.com and you'll get exclusive offers, including a free medium beverage (plus another on your birthday).