Free Starbucks Pastry with purchase

So I don't normally post freebies if you have to buy something (I'm a taker and the US economy despises people like me) however a lot of people buy starbucks so on Tuesday July 21st if you buy a starbucks beverage and have this coupon you win a free pastry. Or you can show them the coupon on your tricked out phone (if you have internet obviously). Thanks Allie!