Watch TV, Get Free Whopper

Miami-based Burger King is offering a coupon for a free Whopper to any person who watches DirecTV Channel 111, where footage of the chain’s signature sandwich is playing on an endless loop through Friday. It’s hard to argue that somebody staring at the television for five minutes is working very hard toward a tangible goal. But in the case of Burger King’s “Whopper Lust” pro …