Cristos Goodrow: YouTube Algorithm | Lex Fridman Podcast #68

Cristos Goodrow is VP of Engineering at Google and head of Search and Discovery at YouTube (aka YouTube Algorithm). This episode is presented by Cash App. Download it & use code "LexPodcast": Cash App (App Store): https://apple.co/2sPrUHe Cash App (Google Play): https://bit.ly/2MlvP5w PODCAST INFO: Podcast website: https://lexfridman.com/podcast Apple Podcasts: https://apple.co/2lwqZIr Spotify: https://spoti.fi/2nEwCF8 RSS: https://lexfridman.com/feed/podcast/ Full episodes playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4 Clips playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOeciFP3CBCIEElOJeitOr41 OUTLINE: 0:00 - Introduction 3:26 - Life-long trajectory through YouTube 7:30 - Discovering new ideas on YouTube 13:33 - Managing healthy conversation 23:02 - YouTube Algorithm 38:00 - Analyzing the content of video itself 44:38 - Clickbait thumbnails and titles 47:50 - Feeling like I'm helping the YouTube algorithm get smarter 50:14 - Personalization 51:44 - What does success look like for the algorithm? 54:32 - Effect of YouTube on society 57:24 - Creators 59:33 - Burnout 1:03:27 - YouTube algorithm: heuristics, machine learning, human behavior 1:08:36 - How to make a viral video? 1:10:27 - Veritasium: Why Are 96,000,000 Black Balls on This Reservoir? 1:13:20 - Making clips from long-form podcasts 1:18:07 - Moment-by-moment signal of viewer interest 1:20:04 - Why is video understanding such a difficult AI problem? 1:21:54 - Self-supervised learning on video 1:25:44 - What does YouTube look like 10, 20, 30 years from now? CONNECT: - Subscribe to this YouTube channel - Twitter: https://twitter.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/LexFridmanPage - Instagram: https://www.instagram.com/lexfridman - Medium: https://medium.com/@lexfridman - Support on Patreon: https://www.patreon.com/lexfridman

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