Blockbuster will give you a free online rental for each Netflix envelope flap you bring into a store. You must have a Blockbuster membership to qualify. The promotions lasts until Dec. 21. It’s an effort to get Netflix subscribers to sign up for Blockbuster’s Total Access Online service.
TAO is functionally similar to Netflix but different in that in that its name is longer. — BEN POPKEN
Free Blockbuster rentals for Netflix subscribers [Lifehacker]