Nationwide today Denny's is offering their Grand Slam breakfast for free until 2 p.m., marking the second year of this recession-era promotion. SF Weekly also marks their second year of invoking John Stuart Mill and calculating the "opportunity cost" of waiting in line an hour or more for a meal worth $5.99, factoring in a "Dignity Constant" and "Patience Factor" as well. Yes guys, we get it. It's greasy and not worth it unless you're homeless. And you're nerds.