The Long Tail

From Publishers WeeklyWired editor Anderson declares the death of "common culture"—and insists that it's for the best. Why don't we all watch the same TV shows, like we used to? Because not long ago, "we had fewer alternatives to compete for our screen attention," he writes. Smash hits have existed largely because of scarcity: with a finite number of bookstore shelves and theaters and Wal-Mart CD racks, "it's only sensible to fill them with the titles that will sell best." Today, Web sites and o