Many billboards and magazine ads have resorted to showing isolated body parts rather than full-body portraits of models using or wearing products. This style of photography, known in the industry as abstract representation, allows the viewer to see himself in the advertisement, rather than the model.

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.

Jobs, as such, are a relatively new concept. People may have always worked, but until the advent of the corporation in the early Renaissance, most people just worked for themselves. They made shoes, plucked chickens, or created value in some way for other people, who then traded or paid for those goods and services.

More than anything, rave was an intentionally designed experience. The music, lighting, and ambience were all fine-tuned to elicit and augment altered states of consciousness. The rhythm of the music was precisely 120 beats per minute, the frequency of the fetal heart rate, and the same beat believed to be used by South American shamans to bring their tribes into a trance state. Through dancing together, without prescribed movements, or even partners, rave dancers sought to reach group consciousness on a level they had never experienced before.

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.'

I think the only way to behave is as if nothing is private. And then fight to make what you care about legal and acceptable.

I don't want to sound like some old person pining for how things used to be, because I'm not. But walking down the street, for example, used to be a public activity; you'd see the other people.