The precise impact of media on society is notoriously difficult to establish. Media are pervasive and diffuse, making them virtually impossible to study using experimental methods. The influence of media on society is most likely to be slow and cumulative in nature, making it difficult to study by traditional social science techniques. Still, few would dispute the observation that a society inundated with media is likely to be affected by that media. In fact, despite the complexities involved in studying the relationship between the media and society, a large ...