Finn Tropy

My swipe file wasn't a museum. It was a storage unit. I learned about swipe files from Justin Welsh. The pitch is seductive. Great creators don’t start from blank pages. They collect. Every banger headline, every hook that stopped their scroll, every note that made them think I wish I’d written that — it all goes into one place. Your private museum of proof that great writing exists. Then, when you sit down to write, you don’t summon genius from nothing. You visit the museum. I was sold instantly.

The comedian finally has a room. It only took a year — and one subject line I almost didn't send. Twelve months ago, I published I Built a Note-Writing AI That Learns From Its Own Mistakes — a 32-billion-parameter model on my MacBook, writing Substack Notes, scoring its own drafts, iterating. I called it a learning loop. Idea, action, observation, evaluation, refinement. The honest answer at the time was: barely. It could critique a Note. It couldn’t hear whether anyone laughed.

I ran one question against my own list. 336 names came back. People who opened five of my emails — then nothing for thirty days. Not strangers. Not tire-kickers. Readers who were in the room with me. Warm. Engaged. Already halfway out the door. Substack’s dashboard never flagged them. My open rate looked fine. My subscriber count went up. I felt like I was doing the work. I wasn’t. I was watching a scoreboard while people quietly left. Honest question: how many of yours are doing the same thing right now?