Have you done any thinking "outside the box" this decade, or encountered any "game changers?" Here to tell us more about the catchphrases that became a part of our lexicon in the 2000s is Ron Rosenbaum, columnist for Slate and author of "The Shakespeare Wars: Clashing Scholars, Public Fiascoes, Palace Coups." He recently wrote an article about the decade's memorable catchphrases. From the innocuous ("Just sayin"), and the smug ("How's that workin' out for you?") to the spiritual ("It is what it is"), and the stylish ("Stay classy").. there's a catchphrase here for everybody, and a surprisingly apt top pick.