Simply handing over your iPod to a friend, your blind date, or the total stranger sitting next to you on the plane opens you up like a book." (Steven Levy)

You know, one of these things that happened in the '60s and '70s was this confluence of, sort of, a counter-culture with computer culture.

I think America is really well-positioned, because we do train people to be creative and sometimes resist authority, which helps in being an innovator. I think you're going to see for the next phase of the revolution all sorts of wonderful ways of connecting art and literature and journalism into new forms of digital expression.

The Mona Lisa, to me, is the greatest emotional painting ever done. The way the smile flickers makes it a work of both art and science, because Leonardo understood optics, and the muscles of the lips, and how light strikes the eye - all of it goes into making the Mona Lisa's smile so mysterious and elusive.

Sometimes, to relieve stress, he would soak his feet in the toilet, a practice that was not as soothing for his collegues.

He had the uncanny capacity to know exactly what your weak point is, know what will make you feel small, to make you cringe," Joanna Hoffman said. "It's a common trait in people who are charismatic and know how to manipulate people. Knowing that he can crush you makes you feel weakened and eager for his approval, so then he can elevate you and put you on a pedestal and own you.

I wonder now how tough you have to be to get big things done.