Update: This freebie is not out of stock and no longer available - sorry! I'm glad many of you were able to get it before it disappeared.
If you hurry, you can get a free coupon from MyCokeRewards.com for a FREE 20 oz. Coke for 0 points! Just sign into your MyCokeRewards.com account and go to this link to get the coupon. This won't be available for long so don't wait. Coupon is valid through 5/31 and you should receive it in the next 5 - 6 weeks.