DealsGoRound says it has uncovered a $577 million opportunity in the daily deals space. Nearly 22% of deals purchased from Groupon, LivingSocial, BuyWithMe and elsewhere go unredeemed according to a survey from Rice University. This represents a huge secondary market for re-selling deals, which is precisely what DealsGoRound does. To illustrate the opportunity here, DealsGoRound has released the following infographic breaking down what Petersen calls the "cycle" of daily deals....