a phenomenon not of broadcasting, but of narrowcasting
Jesse Walker has an interesting piece up at Reason Online, about two movies (Guess Who and Inside Deep Throat) and their respective inspirations.
Worth a read for this line alone:
A couple decades ago, feminists could argue plausibly that porn was partly responsible for the unrealistic body images they blame for bulimia and anorexia. Today, every conceivable body type has an online community of masturbators devoted to it.