{"rewrite":{"id":"r_b6b9acbc2fc78e60759ee2ee","clusterId":"c_35daf7cfa7fa6e4e29f5aac7","slug":"daiki-matsumura-s-behavior-change-arrives-october-1","model":"deepseek-v4-1-flash","headline":"Daiki Matsumura's 'Behavior Change' Arrives October 1","summary":"Butterfly Lab CEO Daiki Matsumura will publish 'Behavior Change' through Eiji Press on October 1, 2026, the company announced. The book opens by dispelling three misconceptions about behavior change: that willpower drives it, that correct information is enough, and that it belongs either to individuals or to institutions. A publication seminar with Takaaki Umada is set for November 9 at Aoyama Book Center Main Store.","whyItMatters":"The book's argument is that the same structural obstacles sit behind failed diets, stalled organizational reform, and slow climate measures, which puts a systemic designer's framing in front of a general readership rather than only a business one.","webCardHtml":"\u003cp\u003eThe book is Matsumura\u0026#39;s first solo-authored title in about five years, following \u0026#39;A New Textbook of \u0026#34;Price\u0026#34;\u0026#39; from Diamond Inc. Its subtitle frames the subject from two angles: starting from yourself rather than someone else, and from structure rather than habits.\u003c/p\u003e\u003cp\u003eMatsumura founded his company at 25 and has worked on incentive design around price, including support for business transformation through dynamic pricing. A commemorative seminar with Takaaki Umada, author of \u0026#39;Raising Resolution,\u0026#39; is scheduled for November 9 at Aoyama Book Center Main Store.\u003c/p\u003e","blueskyPost":"Butterfly Lab CEO Daiki Matsumura's new book 'Behavior Change' is out October 1 from Eiji Press. It argues willpower and information are not what move behavior, and treats personal habits and institutional change as one continuous problem. A seminar with Takaaki Umada follows November 9.","twitterPost":"Daiki Matsumura's 'Behavior Change' releases October 1 via Eiji Press. The book dispels three misconceptions: that willpower drives change, that information is enough, and that change belongs to individuals or institutions alone. A talk with Takaaki Umada is set for November 9.","threadsPost":null,"newsletterBlurb":"Butterfly Lab CEO Daiki Matsumura has a new book coming October 1. 'Behavior Change' argues that willpower and correct information are not what actually shift behavior, and that individual habits and social structures are one continuous problem. A commemorative seminar with 'Raising Resolution' author Takaaki Umada runs November 9 at Aoyama Book Center Main Store.","attributionJson":"[{\"source\":\"ASCII.jp\",\"url\":\"https://ascii.jp/elem/000/004/435/4435962/?rss\",\"title\":\"New Book 'Behavior Change: A New Way to Change and Be Changed, Starting Not from \\\"Someone Else\\\" but from \\\"Yourself,\\\" Not from \\\"Habits\\\" but from \\\"Structure\\\"' by Butterfly Lab CEO Daiki Matsumura to Be Released October 1\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4659,"outputTokens":646,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1789638260,"createdAt":"2026-09-17T09:39:21.000Z","publishedAt":"2026-09-17T09:43:20.000Z","updatedAt":"2026-09-17T09:43:20.000Z"},"cluster":{"id":"c_35daf7cfa7fa6e4e29f5aac7","canonicalTitle":"新刊『行動変容――「誰か」ではなく「自分」、「習慣」ではなく「構造」からはじめる新しい変え方・変わり方』（著・Butterfly Lab代表　松村大貴）10月1日発売","representativeArticleId":"a_0f405d3f1068046e638a004c","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"行動変容――「誰か」ではなく「自分」、「習慣」ではなく「構造」からはじめる新しい変え方・変わり方\"],\"studios\":[],\"people\":[\"松村大貴\"],\"type\":\"release\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-09-17T07:00:00.000Z","lastSeenAt":"2026-09-17T07:00:00.000Z","updatedAt":"2026-09-17T09:43:20.000Z"},"attribution":[{"source":"ASCII.jp","url":"https://ascii.jp/elem/000/004/435/4435962/?rss","title":"新刊『行動変容――「誰か」ではなく「自分」、「習慣」ではなく「構造」からはじめる新しい変え方・変わり方』（著・Butterfly Lab代表　松村大貴）10月1日発売"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["行動変容――「誰か」ではなく「自分」、「習慣」ではなく「構造」からはじめる新しい変え方・変わり方"],"studios":[],"people":["松村大貴"],"type":"release","domain":"other","is_roundup":false},"keyFacts":null}