The first stage in a technology's advance is that it'll fall below a critical price. After it falls below a critical price, it will tend, if it's successful, to rise above a critical mass, a penetration.
And this is one way to do technology forecasting; get a sense of where technology is, and then anticipate the next upturn.
Free is really, you know, the gift of Silicon Valley to the world. It's an economic force, it's a technical force. It's a deflationary force, if not handled right. It is abundance, as opposed to scarcity.
And it's interesting, when you look at the predictions made during the peak of the boom in the 1990s, about e-commerce, or internet traffic, or broadband adoption, or internet advertising, they were all right - they were just wrong in time.
And what's interesting about the hybrids taking off is you've now introduced electric motors to the automobile industry. It's the first radical change in automobile technology in 100 years.