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The Origins Podcast with Lawrence KraussScience, Culture, Reason, Public Policy, & Fascinating Ideas Author: Lawrence M. Krauss
The Origins Podcast features in-depth conversations with some of the most interesting people in the world about the issues that impact all of us in the 21st century. Host, theoretical physicist, lecturer, and author, Lawrence M. Krauss, will be joined by guests from a wide range of fields, including science, the arts, and journalism. The topics discussed on The Origins Podcast reflect the full range of the human experience - exploring science and culture in a way that seeks to entertain, educate, and inspire. lawrencekrauss.substack.com lawrencekrauss.substack.com Language: en Genres: Natural Sciences, Physics, Science Contact email: Get it Feed URL: Get it iTunes ID: Get it |
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The Like Button, and the Strange Power of Tiny Ideas | Martin Reeves
Monday, 22 December, 2025
On this week’s episode of The Origins Podcast, I ended up in a place I genuinely never expected to go: the humble “like” button. When the idea first landed in my inbox, my reaction was basically, why on Earth would anyone write a whole book about that? Then I spoke with Martin Reeves, and I discovered that the history of this tiny icon is a surprisingly rich window into innovation, entrepreneurship, human psychology, and the modern attention economy.Martin is a senior figure at BCG’s Henderson Institute, but what made the conversation especially fun for me is that he is not a consultant who wandered into science. He has a background in science, and then wandered into the world of strategy, technology, and ideas, and he approaches the “like” button the way I wish more people approached our digital world: with curiosity, skepticism, and a willingness to follow evidence across disciplines.The central irony, of course, is that the “like” button began as an almost laughably small, practical solution. In the story Martin and his coauthor reconstructs, it is often less about a single inventor than about a messy ecosystem of micro innovations, technical constraints, and cultural accidents. Yet those small choices compound. The result is that something as simple as a handful of code became a universal signal that helped shape social media, transformed advertising, and created feedback loops that are now baked into the infrastructure of daily life.We also dig into why it works so well on us. The mechanisms are not mysterious in the abstract, they are biological and social, but the scale is unprecedented. Approval and recognition are ancient. Industrialized approval is new. And once you start thinking that way, you notice how these same feedback dynamics are spreading into new domains, including the tools we now use to interact with AI.This conversation surprised me, and I suspect it will surprise you too. Indeed, if you are like me, and wondered why the like-button is worth discussing, you will be surprised to learn how much of the modern world is quietly organized around it. You can listen on any podcast platform, watch on YouTube, or view ad free on Substack. And if you are tempted at the end, well, you may even find yourself clicking the very thing we spend the episode dissecting.You can listen on any podcast platform, watch on YouTube, or view ad free on Substack. And if you are tempted at the end, well, you may even find yourself clicking the very thing we spend the episode dissecting.As always, an ad-free video version of this podcast is also available to paid Critical Mass subscribers. Your subscriptions support the non-profit Origins Project Foundation, which produces the podcast. The audio version is available free on the Critical Mass site and on all podcast sites, and the video version will also be available on the Origins Project YouTube. Get full access to Critical Mass at lawrencekrauss.substack.com/subscribe
