Viewing profile — sangkwun
sangkwun
HN member- Joined
- Wed, Nov 12, 2025, 4:09 PM UTC
- HN karma
- 4
- Public activity
- 18 items
- HN profile
- View on Hacker News ↗
About sangkwun
Previously: notionto.email
Based in Seoul. Interested in information overload, AI workflows, and building in public.
Recent public activity
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Show HN: VoiceScroll – a teleprompter that scrolls as you speak
I didn't want to carry a separate remote or Bluetooth pedal, and scrolling manually kept making me look away from the camera. VoiceScroll uses on-device speech recognition to follo…
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Comment #47014113
Working on Daigest ( https://daige.st ) — it monitors your industry using AI. You pick keywords and sources (news sites, blogs, YouTube, communities), and it sends you a summary on…
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Comment #46921967
The problem is management confusing "AI can process text" with "AI can replace judgment." AI is great when the task is bounded, like summarizing docs or triaging info. Understandin…
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Comment #46883315
My setup: RSS (Reddit, HN, AI tech blogs) + a few investment YouTube channels → daily morning digest. The key for trust was picking my own sources. No algorithm deciding what's "re…
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Comment #46873223
our tracking system might become another thing to optimize. Simpler approach: timer that closes the tab. Hard stops > willpower.
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Show HN: Sandy – Accelerate AI agents: think once, replay forever
I gave my AI agent a Sandevistan. What's the point of browser automation that's slower than a human? Watching it pause for seconds before every click drove me crazy. We build muscl…
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Show HN: Daigest – I built an AI to watch sources so I don't miss what matters
Hi HN! I built Daigest. Why I built this: I first built an internal tool to monitor my Notion workspace. I was worried about missing things happening at work. Then I realized this …
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Comment #46828561
I quit hoarding. Collecting was the bottleneck, not organizing. Just get filtered digests now. Needed less input, not better retrieval.
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Comment #46828416
Feeling this. Built an AI digest tool, found YC competitors, now spend more time on positioning than coding. My bet: users don't want another tool. They want the outcome— the diges…
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Comment #46824593
The missing piece in most learning tools: they assume you manually feed them content. But where does that content come from? You're already: - Reading HN discussions - Following ne…
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Comment #46810534
Ironically, I think vibe coding actually increases the value of curation and trust. More AI-generated apps and content = more noise. The bottleneck shifts from "can I build this?" …
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Comment #46794439
When building becomes easy, curation becomes the moat. Anyone can spin up a SaaS now, but knowing what information actually matters to a specific audience is still hard to replicat…
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Comment #46794419
For "vibe research" across multiple sources, I've been using an AI setup that monitors topics I care about and summarizes only what's relevant. Helps reduce the information overloa…
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Comment #46777470
Interesting project. I've been exploring this space but eventually pivoted in a different direction. Two main things worry me about the 'always-on' agent approach: 1. Security & Su…
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Ask HN: Async updates: Input friction vs. Output friction?
I'm building a tool for async standups, but I'm torn on where to focus the automation first. I see two distinct failure points: 1. Input Friction (The Maker's Tax) Context Switchin…
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Show HN: Turn Notion pages into clean, paste-ready email blocks
I built a small converter that turns Notion pages into clean, paste-ready email blocks. It keeps your headings, lists, and callouts intact — write once in Notion and reuse the resu…