They talk about safety and humanity, avoiding death, quality of life, security and control, risk aversion, the internet of things and of people, the paradise of perfect control, using science to push ideologies, "V" questions, how to bring the spirit of the gift into the modern society, crypto-currency, the roles of philanthropy, the waste and side effects of green technologies and carbon accounting, marine reserves, hope for humanity, psychedelic medicines and the invasion of death into life.