jeff lewis joins us in studio.s are always investing in things that sound crazy, software for oil rigs, hampton creek foods trying to replace eggs in the food chain. how do you explain the strategy? >> the strategy is to invest in the companies to radically advance humanity. that's the strategy. spacex is trying to advance humanity to mars. one investment that has recently come public, emerald therapeutics, trying to build an amazon service for life sciences reducing the cost for life science companies by an order of magnitude and hopefully lead to a renaissance in the creation of that type of company. it's more about making things more affordable for everyday people. that's also a really big problem. what are the companies that will radically advance things across a wide range of industries? it's not always obvious in the beginning how they will advance things. it is a very strong narrative on that score. >> income inequality has been a big issue here in san francisco and across the country. how did the investment