Products
Each product does one thing well. Built in public, priced fairly, shipped by one engineer.
A daily guessing game about historical American prices — “how much did a gallon of gas cost in 1987?” One puzzle a day, everyone plays the same one. Six guesses, share your result, come back tomorrow.
Jul 2026
Play today’s puzzle → YouTube comment intelligence for creators who want signal, not noise. Shut down in July 2026 after a short run as an MVP — the lessons are written up in full.
Mar 2026 – Jul 2026
Read the post-mortem → More coming. Follow the changelog.