American Express is making a bid to bring cardholders its own version of Groupon-like daily deal offers, joining forces with Twitter in an attempt to turn America into a "couponless nation." The program will undoubtedly offer good discounts -- but can it last in the long term?
Do you really need Groupon or LivingSocial? If you answered "yes," you're among a shrinking minority. Really, Groupons are meant to entice us to try things we otherwise wouldn't. Couponing, though, is how smart shoppers cut costs on what they already buy, and these five sites can save you a bundle.