I felt no shame in these activities, because I understood what almost no one else seemed to grasp: that there was only an infinitesimal difference, a difference so small that it barely existed except as a figment of the human imagination, between working in a tall green glass building on Park Avenue and collecting litter in a park. In fact, there may have been no difference at all.

The music industry is an interesting lens through which to look at change, because it has had such a difficult time adjusting to the digital age.

I'm always happy," Sasha said. "Sometimes I just forget.

They resumed walking. Alex felt an ache in his eyes and throat. "I don't know what happened to me," he said, shaking his head. "I honestly don't." Bennie glanced at him, a middle-aged man with chaotic silver hair and thoughtful eyes. "You grew up, Alex," he said, "just like the rest of us.

I did go on safari in Kenya when I was 17, with my mother, stepfather and little brother, and I kept a careful journal of the experience that was very helpful in terms of my sensory impressions of Africa. I have traveled quite a bit at distinct times in my life, though now that I have kids I've settled down.

And it may be that a crowd at a particular moment of history creates the object to justify its gathering, as it did at the first Human Be-In and Monterey Pop and Woodstock. Or it may be that two generations of war and surveillance had left people craving the embodiment of their own unease in the form of a lone, unsteady man on a slide guitar.

Rebecca was an academic star. Her new book was on the phenomenon of word casings, a term she'd invented for words that no longer had meaning outside quotation marks. English was full of these empty words--"friend" and "real" and "story" and "change"--words that had been shucked of their meanings and reduced to husks. Some, like "identity" and "search" and "cloud," had clearly been drained of life by their Web usage. With others, the reasons were more complex; how had "American" become an ironic term? How had "democracy" come to be used in an arch, mocking way?