Hannah Gadsby's groundbreaking special "Nanette" broke comedy. In a talk about truth and purpose, she shares three ideas and three contradictions. Or not. Get TED Talks recommended just for you! Learn more at https://www.ted.com/signup. The TED Talks channel features the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less).