Quote from Krispy Kreme donuts facebook page:
https://www.facebook.com/KrispyAustralia/app_684185604988019"Simply become a Friend of Krispy Kreme and enjoy your FREE Original Glazed doughnut on National Doughnut Day!
We'll send through the coupon code for your free Original Glazed Doughnut via email at Midnight Thursday 5th June 2014.
Bring your coupon code into any Krispy Kreme Store for your free doughnut on Friday 6th June 2014. Enjoy!
You'll also be subscribed as a Friend of Krispy Kreme and you'll be first to know about new product launches, discounts, special offers and more!"
(Note: Can only claim at a Krispy Kreme store, not 7-eleven stores)