As head of TED, Chris Anderson has had a ringside view of the world’s most influential thinkers in action. TED’s annual conference in Vancouver sees thousands of delegates flock from across the world to hear presentations from pre-eminent scientists, artists, entrepreneurs, political leaders and CEOs on the biggest issues of the day. Speakers have included Elon Musk on artificial intelligence, Bill Gates on how to prevent future pandemics and Chimamanda Ngozi Adichie on how to create a better future for women and girls. Anderson has a new book, Infectious Generosity, which draws from some of those learnings, in order to spread a bit more of an idea in short supply in recent years – optimism. In it, he offers real world case studies showing how a more generous outlook can make small changes that lead to bigger ones. This conversation is a recording of our Intelligence Squared event at London’s Union Chapel. Joining Anderson onstage to discuss the book and his work was Jon Ronson, the writer and podcaster behind books that have set the agenda in exploring the post-internet age including The Psychopath Test, The Men Who Stare at Goats, and So You've Been Publicly Shamed. Most recently, you might know him from the hit podcast Things Fell Apart, which explores the stories and history of the culture wars.

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