text:  Two things. First of all, I've really been taking a close look at carbon credits as a trading mechanism, as a fiduciary instrument. This has been going on for years. I think this is really part of the larger picture of the economics of global warming, which is kind of a long topic. The other one I wanted to point out, though, is that I actually have a background in material science, and one thing I've worked on for many years was optical computing, and that's actually coming. Now, if that happens in a large-scale way, you'll see this transition in the next maybe five to seven years, which is going to reduce...