One argument against open systems is that they become open to everything, good and bad. Like a Richard Meier skyscraper, the anal retentive, Bauhaus elegance of the Mac does prevent the loose ends and confusion of a less sterile environment. But it also prevents fertility. Apple's development must come from within.

Digital media are biased toward replication and storage. Our digital photos practically upload and post themselves on Facebook, and our most deleted e-mails tend to resurface when we least expect it. Yes, everything you do in the digital realm may as well be broadcast on prime-time television and chiseled on the side of the Parthenon.

As a writer and sometime activist who needs to promote my books and articles and occasionally rally people to one cause or another, I found Facebook fast and convenient. Though I never really used it to socialize, I figured it was OK to let other people do that, and I benefited from their behavior.

The true end users of Facebook are the marketers who want to reach and influence us. They are Facebook's paying customers; we are the product. And we are its workers. The countless hours that we - and the young, particularly - spend on our profiles are the unpaid labor on which Facebook justifies its stock valuation.

Grunge was so self-consciously lowbrow and nonaspirational that it seemed, at first, impervious to the hype and glamour normally applied swiftly to any emerging trend. But sure enough, grunge anthems found their way onto the soundtracks of television commercials, and Dodge Neons were hawked by kids in flannel shirts saying, 'Whatever.'

While we may blame the Internet for the ease with which conspiracy theories proliferate, the net is really much more culpable for the way it connects everything to almost everything else. The hypertext link, as we used to call it, allows any fact or idea to become intimately connected with any other.

Web sites are designed to keep young people from using the keyboard, except to enter in their parents' credit card information.