If you're a technology investor, and you decide that you're also going to be a healthcare investor or a green-tech investor, that doesn't usually work out that well. There are reasons why people make their careers studying these things and becoming experts.
I can make it very clear: I get paid if we make good investments. And if we don't, I don't get paid. I have no incentive to sell our companies to Google; the entrepreneurs get to decide that. We are minority shareholders.