'It's the wisdom of the masses that makes up our front page,' says Kevin Rose. He is the founder of a Web news site called Digg that rates stories, videos and other content on the basis of how many people like them. Editors need not apply; Digg is proud to have none. Of course, the "wisdom of the masses" produced a few 20th-century bummers, not least in Germany, Italy, the Soviet Union and China. Collective wisdom is often an oxymoron.