This sign's a win-win. Not only will they get a huge influx of Internet-savvy patrons, but they should also expect a rush of regular people, insisting on an explanation on what that string of random letters could possibly mean.
Stay with us, here. If this store has false advertising, then their advertisement about being false must, by definition, also be false. That means that their statement of free beer must now be true! (My head hurts.)
Fun game: Go to this store, pull items off the shelves, and repeatedly ask the employee working there if they have what you're holding in stock. The joke will only get funnier and funnier as you keep going.
This restaurant is just one part of the "That Guy on Yelp" city tour. Afterward, guests will be whisked away to the coffee shop that "has too many teenagers and is frankly a little pricey," all culminating with an unforgettable trip to the bank down the street with the rude teller.