A personal knowledge diary for YouTube
Your life
through videos.
The videos that shaped your thinking deserve more than a playlist.
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Capture while watching
A permanent sidebar lives inside YouTube. Save the video, mark its influence, drop a timestamped highlight, and answer one question — without ever leaving the player.
Influence
Changed My Thinking
Themes
Highlight · 42:17
“Agents fail at the boundaries between tools, not inside them.”
What changed after watching this?
I keep designing pipelines when I should design feedback loops…
Organize
Build your collections
Not playlists — curated shelves. Every collection is a living exhibit of a subject you care about, with covers, counts, and hours of learning.
Agent Architectures
24 videos · 31 hours
Reflect
Your learning diary
Every month becomes a chapter: what you watched, what it changed, and the one video that mattered most. A journal, not a dashboard.
July 2026
14-day streak
31
Videos watched
28
Hours learned
AI Agents
Top topic
Biggest perspective shift
“Scaling laws aren’t dead — my mental model of them was.”
Rediscover
Search your thinking
You remember the idea, not the title. Search across everything you've watched, highlighted, and written — by meaning.
videos that changed my opinion on AI agents
The Bitter Lesson, revisited
Dwarkesh Patel
…you argued agents would plateau — this is where you changed your mind…
Why Agents Need Memory
LangChain
…your reflection: ‘I was wrong about statelessness being enough’…
Searching ideas, not titles
Connect
Your learning map
Videos become ideas. Ideas connect. Watch the shape of your curiosity draw itself over time.
Every December
2026 Learning Wrapped
A year of your intellectual life, told back to you.
513
videos saved
392
completed
376
hours of learning
Karpathy
top creator
Built for people who learn on YouTube
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“The diary is the killer feature. I can see my thinking change month over month.”
Your diary starts with one video.
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