Yunfei Duan

TreeHole — An AI chat that writes your journal.

This channel documents the building of treehole.chat:
the product decisions, privacy-first design, feature demos, and personal memories that shaped it.

A private space where talking becomes journaling, and your past self can talk back.

Try it: https://treehole.chat/?utm_source=yt&utm_medium=channel&utm_campaign=always-on