EDIT 15/09/14: For those that are yet to receive an email, coupon or credit, send an email via your PayPal account as per this comment from porleng, or call them directly as per this comment from …
For **one** free Original Glaze doughnut:
Talk like a pirate to a staff member (eg. "Shiver me timbers", "Ahoy Mateys")
For **one dozen** free Original Glaze doughnuts:
Dress like a pirate.