Let a Thousand Filters Bloom

5th Sep 2005, 12:35 GMT

In 1949, when George Orwell wrote his dystopian novel "1984," he gave its hero, Winston, a job at the Ministry of Truth. All day long, Winston clips politically unacceptable facts, stuffs them into little pneumatic tubes, and then pushes the tubes down a chute. Beside him sits a woman in charge of...