" So, for example, Bell is mesmerized by a screen saver that draws on his personal archive to display random snapshots. Pictures of long-ago birthdays and family trips trigger waves of nostalgia. But during my visit, Bell tries to use search tools to find a particular photograph that is not coming up on the screen. He pursues one strategy, then another. Nothing works; he loses interest. One senses a new dynamic: when you depend on the computer to remember the past, you focus on whatever past is kept on the computer. And you learn to favor whatever past is easiest to find. My screen saver, my life. "