"Like" Burger King on Facebook and claim an offer for Buy One Get One Free Real Fruit Smoothie. The printable coupon will be sent to the email address on your Facebook account. This coupon expires on November 4, 2012 at participating Burger King locations. Sounds like a yummy treat!
Facebook is just another way to get savings from retail to groceries. If you don't want to put your information out there, consider making a separate account with another email address for your coupons. Get those savings!