One of his pupils was mocked for saying he wanted his company to make the world a better place; Gil’s advice? “Find better friends.” On the latest episode of Recode Decode, hosted by Kara Swisher, Startup advisor and Color Genomics co-founder Elad Gil talks about his new book, “High Growth Handbook: Scaling Startups from 10 to 10,000 People.” He also explores some common startup myths, shares some tips for building better boards and discusses his biggest worry right now: The end of optimism in tech.