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Applied AI engineer and educator. Seowoo Han creates hands-on guides and build logs about Codex and AI applications, shares experiments on YouTube, LinkedIn, Threads, and X, and publishes Codex 101 and the Tech a Break newsletter.

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Seowoo Han

Don’t write your ChatGPT Work prompt from scratch.

Seowoo Han

Appshots are now available in the ChatGPT desktop app on Windows.

Seowoo Han

I built this for Etsy printable sellers: five PNGs (45 MB) became three independent ZIPs under 20 MB each in my test.

Seowoo Han

A filename can promise 24x36 inches while the image is only 2000x3000 pixels: about 83 PPI.

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  • Seowoo HanCurrent profile

    TopicsAI, technology & development

    Applied AI engineer and educator. Seowoo Han creates hands-on guides and build logs about Codex and AI applications, shares experiments on YouTube, LinkedIn, Threads, and X, and publishes Codex 101 and the Tech a Break newsletter.

  • 카일스쿨Compared content

    TopicsAI 시대의 개발자 역할 · AI FOMO · 판단·검증·운영

    What do they make?AI 시대의 역할이 고민된다면 함께 읽어봐요. 문제 정의·판단·운영을 커리어 경험으로 연결해요.Compared content: AI가 게임을 끝까지 만들 수 있을까? Codex로 만든 BeatPaws 제작기 (new tab)Read together: AI가 다 해주는데, 나는 뭘 해야 할까? 요즘 자주 받는 커리어 고민 10가지 (new tab)Content checked: 10/28/2026
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    TopicsAI, technology & development

    What do they make?Marc Lou is a solo founder and developer who shares lessons from building and launching small web products. His newsletter explores MVP scope, paid validation, product messaging and iteration through his own projects, while his YouTube channel includes first-person retrospectives.
  • Arun Maini (Mrwhosetheboss)Same field

    TopicsAI, technology & development

    What do they make?Arun Maini, known as Mrwhosetheboss, is a technology creator making smartphone comparisons, hands-on gadget videos, and smart-home content, primarily on YouTube, with official accounts on Instagram, Threads, X, TikTok, and Facebook.
  • Jeon Si-jin (Sireal)Same field

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    What do they make?A Notion and AI workflow consultant. Sijin Jeon runs SIREAL, creates content on collaboration tools and practical generative AI workflows, and provides organizational training and consulting.
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