If we want to help Google become something meaningfully different in the future, then that's more likely to happen if we focus on the physical world instead.
I'm a father to four kids, so it bothers me that even though our children think big naturally, our society systematically trains them out of thinking that way.
I started my second company in 1999. BodyMedia was set up to take advantage of the future of wearables - sensors and computing worn on our bodies in any and all ways that could make our lives better.
Google Glass is the wearable computer that responds to voice commands and displays information on a visual display.
Every time you drop the price by a factor of two, you roughly get a 10 times pickup of the number of people who will seriously consider buying it.
Really great entrepreneurs have this very special mix of unstoppable optimism and scathing paranoia.
