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  <entry>
    <id>tag:speakerdeck.com,2005:Talk/1553453</id>
    <published>2026-06-11T22:57:08-04:00</published>
    <updated>2026-06-11T23:00:35-04:00</updated>
    <link rel="alternate" type="text/html" href="https://speakerdeck.com/ymatsuwitter/llmtogong-nijin-hua-surupurosesuwomu-zhi-site"/>
    <title>LLMと共に進化するプロセスを目指して</title>
    <content type="html">AI要件定義サミット2026にて登壇</content>
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      <name>y_matsuwitter (@ymatsuwitter)</name>
    </author>
  </entry>
  <entry>
    <id>tag:speakerdeck.com,2005:Talk/1324990</id>
    <published>2025-02-14T00:56:37-05:00</published>
    <updated>2025-02-14T01:04:31-05:00</updated>
    <link rel="alternate" type="text/html" href="https://speakerdeck.com/ymatsuwitter/building-products-in-the-llm-era"/>
    <title>Building Products in the LLM Era</title>
    <content type="html">@Developers Summit 2025</content>
<media:thumbnail url="https://files.speakerdeck.com/presentations/077bbbb8489d4a4590f6b95b2ae5d272/preview_slide_0.jpg?33841089" width='' height='' xmlns:media='http://search.yahoo.com/mrss/'></media:thumbnail>    <author>
      <name>y_matsuwitter (@ymatsuwitter)</name>
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  <entry>
    <id>tag:speakerdeck.com,2005:Talk/1255325</id>
    <published>2024-10-04T21:17:01-04:00</published>
    <updated>2024-10-04T21:44:04-04:00</updated>
    <link rel="alternate" type="text/html" href="https://speakerdeck.com/ymatsuwitter/product-utilization-of-large-language-models-starting-today"/>
    <title>Product Utilization of Large Language Models Starting Today</title>
    <content type="html">YAPC::Hakodate 2024にて</content>
<media:thumbnail url="https://files.speakerdeck.com/presentations/23b675aca2c74a4aab31cb4e64ce1c80/preview_slide_0.jpg?32022436" width='' height='' xmlns:media='http://search.yahoo.com/mrss/'></media:thumbnail>    <author>
      <name>y_matsuwitter (@ymatsuwitter)</name>
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  </entry>
  <entry>
    <id>tag:speakerdeck.com,2005:Talk/1144621</id>
    <published>2024-02-09T22:18:00-05:00</published>
    <updated>2024-02-10T23:30:20-05:00</updated>
    <link rel="alternate" type="text/html" href="https://speakerdeck.com/ymatsuwitter/management-conviction-and-engineering"/>
    <title>経営・意思・エンジニアリング</title>
    <content type="html">YAP::Hiroshima 2024にて登壇 #yapcjapan</content>
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      <name>y_matsuwitter (@ymatsuwitter)</name>
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  </entry>
  <entry>
    <id>tag:speakerdeck.com,2005:Talk/1122532</id>
    <published>2023-12-18T04:34:52-05:00</published>
    <updated>2023-12-18T04:41:28-05:00</updated>
    <link rel="alternate" type="text/html" href="https://speakerdeck.com/ymatsuwitter/llm-in-2023-and-2024"/>
    <title>LLM in 2023 and 2024</title>
    <content type="html">LLM in Production #3にて</content>
<media:thumbnail url="https://files.speakerdeck.com/presentations/5fcda61ca7b34f56b1dc535fb1aa024c/preview_slide_0.jpg?28239220" width='' height='' xmlns:media='http://search.yahoo.com/mrss/'></media:thumbnail>    <author>
      <name>y_matsuwitter (@ymatsuwitter)</name>
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  </entry>
  <entry>
    <id>tag:speakerdeck.com,2005:Talk/1103826</id>
    <published>2023-11-08T20:05:45-05:00</published>
    <updated>2023-11-08T20:09:14-05:00</updated>
    <link rel="alternate" type="text/html" href="https://speakerdeck.com/ymatsuwitter/turbulent-technological-changes-and-career-strategies"/>
    <title>Turbulent Technological Changes and Career Strategies</title>
    <content type="html">技育祭2023登壇資料
LLMの登場からソフトウェア開発は大きく変化しつつあります。この激動の時代をどのようにキャリア構築するか、お話させいただきました。</content>
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      <name>y_matsuwitter (@ymatsuwitter)</name>
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  </entry>
  <entry>
    <id>tag:speakerdeck.com,2005:Talk/1042837</id>
    <published>2023-06-26T06:51:41-04:00</published>
    <updated>2023-06-26T07:49:08-04:00</updated>
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    <title>LLM in toB Service and Its UX</title>
    <content type="html">LLM in Production #0にて発表</content>
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      <name>y_matsuwitter (@ymatsuwitter)</name>
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  </entry>
  <entry>
    <id>tag:speakerdeck.com,2005:Talk/1015488</id>
    <published>2023-04-10T12:39:04-04:00</published>
    <updated>2023-04-10T12:42:40-04:00</updated>
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    <title>Agent and small LLM validation</title>
    <content type="html">LLM Meetup Tokyo #1にて
小さなモデルでエージェントを実現できるかという雑な実験ログ</content>
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      <name>y_matsuwitter (@ymatsuwitter)</name>
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  </entry>
  <entry>
    <id>tag:speakerdeck.com,2005:Talk/951267</id>
    <published>2022-11-09T22:41:11-05:00</published>
    <updated>2022-11-09T22:44:24-05:00</updated>
    <link rel="alternate" type="text/html" href="https://speakerdeck.com/ymatsuwitter/information-management-for-a-culture-of-speed-the-story-of-notion-and-layerx"/>
    <title>Information management for a culture of speed: The story of Notion and LayerX </title>
    <content type="html">2022/11/09 Notion Japanイベントにて</content>
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      <name>y_matsuwitter (@ymatsuwitter)</name>
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  </entry>
  <entry>
    <id>tag:speakerdeck.com,2005:Talk/943443</id>
    <published>2022-10-28T01:55:34-04:00</published>
    <updated>2022-10-28T02:37:36-04:00</updated>
    <link rel="alternate" type="text/html" href="https://speakerdeck.com/ymatsuwitter/tech-behind-layerx-saas-products"/>
    <title>Tech behind LayerX SaaS products</title>
    <content type="html">SaaS on AWS 2022 基調講演</content>
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  <entry>
    <id>tag:speakerdeck.com,2005:Talk/943442</id>
    <published>2022-10-28T01:49:37-04:00</published>
    <updated>2022-10-28T02:38:03-04:00</updated>
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    <title>Monorepo on AWS</title>
    <content type="html">SaaS on AWS 2022懇親会にて登壇</content>
<media:thumbnail url="https://files.speakerdeck.com/presentations/eff0fc22ecfe486b969cdac436aade49/preview_slide_0.jpg?23200007" width='' height='' xmlns:media='http://search.yahoo.com/mrss/'></media:thumbnail>    <author>
      <name>y_matsuwitter (@ymatsuwitter)</name>
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  </entry>
  <entry>
    <id>tag:speakerdeck.com,2005:Talk/937127</id>
    <published>2022-10-14T05:16:59-04:00</published>
    <updated>2022-10-14T05:20:14-04:00</updated>
    <link rel="alternate" type="text/html" href="https://speakerdeck.com/ymatsuwitter/2022-10-14-geeksai-a745a039-636d-4b94-bc23-b238c21f91d9"/>
    <title>2022-10-14-geeksai</title>
    <content type="html">2022/10/14技育祭2022での登壇資料
「後悔しないキャリア選択のために私が伝えたい3つのこと」</content>
<media:thumbnail url="https://files.speakerdeck.com/presentations/affdabf7c99d4a69b3b77d2465036eec/preview_slide_0.jpg?23026864" width='' height='' xmlns:media='http://search.yahoo.com/mrss/'></media:thumbnail>    <author>
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  </entry>
  <entry>
    <id>tag:speakerdeck.com,2005:Talk/723851</id>
    <published>2021-04-10T00:07:50-04:00</published>
    <updated>2021-04-10T00:53:45-04:00</updated>
    <link rel="alternate" type="text/html" href="https://speakerdeck.com/ymatsuwitter/dxd2021-insights-from-ctoa-reports"/>
    <title>DXD2021 Insights From CTOA reports.</title>
    <content type="html">DXD2021にて講演</content>
<media:thumbnail url="https://files.speakerdeck.com/presentations/cf04cd42b4a14c88a9bed58c5aeb27c0/preview_slide_0.jpg?17825644" width='' height='' xmlns:media='http://search.yahoo.com/mrss/'></media:thumbnail>    <author>
      <name>y_matsuwitter (@ymatsuwitter)</name>
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  </entry>
  <entry>
    <id>tag:speakerdeck.com,2005:Talk/649929</id>
    <published>2020-07-05T00:05:35-04:00</published>
    <updated>2020-07-05T00:12:25-04:00</updated>
    <link rel="alternate" type="text/html" href="https://speakerdeck.com/ymatsuwitter/what-is-a-tech-company"/>
    <title>What is a Tech Company</title>
    <content type="html">技育祭2020にて</content>
<media:thumbnail url="https://files.speakerdeck.com/presentations/eeade0179b4d47709a7b7ee706d5ebd8/preview_slide_0.jpg?15780403" width='' height='' xmlns:media='http://search.yahoo.com/mrss/'></media:thumbnail>    <author>
      <name>y_matsuwitter (@ymatsuwitter)</name>
    </author>
  </entry>
  <entry>
    <id>tag:speakerdeck.com,2005:Talk/641562</id>
    <published>2020-05-27T09:55:16-04:00</published>
    <updated>2020-05-27T10:39:11-04:00</updated>
    <link rel="alternate" type="text/html" href="https://speakerdeck.com/ymatsuwitter/the-future-from-software-technology"/>
    <title>The future from software technology</title>
    <content type="html">FastGrowイベント用資料</content>
<media:thumbnail url="https://files.speakerdeck.com/presentations/c0ff060d7f5b473cb17f74040dbc0968/preview_slide_0.jpg?15551153" width='' height='' xmlns:media='http://search.yahoo.com/mrss/'></media:thumbnail>    <author>
      <name>y_matsuwitter (@ymatsuwitter)</name>
    </author>
  </entry>
  <entry>
    <id>tag:speakerdeck.com,2005:Talk/596598</id>
    <published>2020-01-27T00:19:21-05:00</published>
    <updated>2020-01-27T00:23:45-05:00</updated>
    <link rel="alternate" type="text/html" href="https://speakerdeck.com/ymatsuwitter/cloud-native-and-monorepo"/>
    <title>Cloud Native and Monorepo</title>
    <content type="html">@DMM.go #1</content>
<media:thumbnail url="https://files.speakerdeck.com/presentations/df4e0c0efde14c6a817974e91b3cc01f/preview_slide_0.jpg?14732981" width='' height='' xmlns:media='http://search.yahoo.com/mrss/'></media:thumbnail>    <author>
      <name>y_matsuwitter (@ymatsuwitter)</name>
    </author>
  </entry>
  <entry>
    <id>tag:speakerdeck.com,2005:Talk/590061</id>
    <published>2020-01-08T21:04:06-05:00</published>
    <updated>2020-01-08T21:04:50-05:00</updated>
    <link rel="alternate" type="text/html" href="https://speakerdeck.com/ymatsuwitter/2019-12-12-dmm-meetup"/>
    <title>2019-12-12 DMM meetup</title>
    <content type="html">About DMM tech vision.</content>
<media:thumbnail url="https://files.speakerdeck.com/presentations/7b6bb47bde58405c80b771b0d5b51938/preview_slide_0.jpg?14606843" width='' height='' xmlns:media='http://search.yahoo.com/mrss/'></media:thumbnail>    <author>
      <name>y_matsuwitter (@ymatsuwitter)</name>
    </author>
  </entry>
  <entry>
    <id>tag:speakerdeck.com,2005:Talk/569697</id>
    <published>2019-10-31T05:56:42-04:00</published>
    <updated>2019-10-31T06:06:55-04:00</updated>
    <link rel="alternate" type="text/html" href="https://speakerdeck.com/ymatsuwitter/a-year-of-dmm-reformation"/>
    <title>A year of DMM reformation</title>
    <content type="html">EOF2019にて
2018年10月からの1年間のDMMにおける改革の話です。</content>
<media:thumbnail url="https://files.speakerdeck.com/presentations/a6ce53aba3744636824bf391bb8dea17/preview_slide_0.jpg?14034916" width='' height='' xmlns:media='http://search.yahoo.com/mrss/'></media:thumbnail>    <author>
      <name>y_matsuwitter (@ymatsuwitter)</name>
    </author>
  </entry>
  <title>y_matsuwitter (@ymatsuwitter) on Speaker Deck</title>
  <updated>2026-06-11T22:57:08-04:00</updated>
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