In an age of ever-increasing media options, chances are slim that you saw the same show as your friends and colleagues. When The Cosby Show was at its peak in the late 1980s, the show's audience was 30 million. Today, Two and a Half Men is the nation's top-rated show, with 15 million viewers. (Two and a Half Men photo: Michael Becker/Fox, Cosby photo: Frank Carroll/NBCU Photo Bank via AP)
