Cristos Goodrow: YouTube Algorithm
January 25, 2020
1 hr 31 min
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January 25, 2020
Cristos Goodrow: YouTube Algorithm
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Cristos Goodrow: YouTube Algorithm
Summary
<p>Cristos Goodrow is VP of Engineering at Google and head of Search and Discovery at YouTube (aka YouTube Algorithm).</p>
<p><span style="font-weight: 400;">This conversation is part of the Artificial Intelligence podcast.</span> If you would like to get more information about this podcast go to <a href="https://lexfridman.com/ai">https://lexfridman.com/ai</a> or connect with @lexfridman on <a href="https://twitter.com/lexfridman">Twitter</a>, <a href="https://www.linkedin.com/in/lexfridman/">LinkedIn</a>, <a href="https://www.facebook.com/lexfridman">Facebook</a>, <a href="https://medium.com/@lexfridman">Medium</a>, or <a href="https://www.youtube.com/lexfridman">YouTube</a> where you can watch the video versions of these conversations. If you enjoy the podcast, please rate it 5 stars on <a href="https://podcasts.apple.com/us/podcast/artificial-intelligence/id1434243584">Apple Podcasts</a>, follow on <a href="https://open.spotify.com/show/2MAi0BvDc6GTFvKFPXnkCL">Spotify</a>, or support it on <a href="https://www.patreon.com/lexfridman">Patreon</a>.</p>
<p>This episode is presented by Cash App. Download it (<a href="https://apps.apple.com/us/app/cash-app/id711923939">App Store</a>, <a href="https://play.google.com/store/apps/details?id=com.squareup.cash&hl=en_US">Google Play</a>), use code “LexPodcast”. </p>
<p>Here’s the outline of the episode. On some podcast players you should be able to click the timestamp to jump to that time.</p>
<p>00:00 – Introduction<br />
03:26 – Life-long trajectory through YouTube<br />
07:30 – Discovering new ideas on YouTube<br />
13:33 – Managing healthy conversation<br />
23:02 – YouTube Algorithm<br />
38:00 – Analyzing the content of video itself<br />
44:38 – Clickbait thumbnails and titles<br />
47:50 – Feeling like I’m helping the YouTube algorithm get smarter<br />
50:14 – Personalization<br />
51:44 – What does success look like for the algorithm?<br />
54:32 – Effect of YouTube on society<br />
57:24 – Creators<br />
59:33 – Burnout<br />
1:03:27 – YouTube algorithm: heuristics, machine learning, human behavior<br />
1:08:36 – How to make a viral video?<br />
1:10:27 – Veritasium: Why Are 96,000,000 Black Balls on This Reservoir?<br />
1:13:20 – Making clips from long-form podcasts<br />
1:18:07 – Moment-by-moment signal of viewer interest<br />
1:20:04 – Why is video understanding such a difficult AI problem?<br />