Media literacy education has come a long way since the 1970s, when the first "critical thinking" courses were introduced in a few American schools. Most educators today understand that with the revolutionary changes in communication that have occurred in the last half-century, media literacy has become as essential a skill as the ability to read the printed word. Equally important, media literacy education can relieve the pressures for censorship that have, over the last decade, distorted the political process, threatened First Amendment values, and distracted policymakers from truly effective approaches to widely shared concerns about the mass media's influence on youth