Dannon is offering a coupon for a free cup of Dannon Oikos yogurt so you can try this yummy yogurt free. The coupon is available now through August 27th or until it reaches its limit of 1.9 million requests. This coupon is not valid in California, Louisiana and New Jersey. They are offering a $1 off coupon for these states. You can request your freebie on the Dannon Website or the Dannon Facebook Page. This offer is limited to 1 per household.