# Writing Archive

Product notes and other ephemera — kept for the record, out of the main reading path.

- [Product Management Excellence (2025 edition)](https://johnzettler.com/writing/archive/product-management-excellence-2025/) ([Markdown](https://johnzettler.com/writing/archive/product-management-excellence-2025.md)) — Presentation · 2025-11-16
  The November 2025 edition of John Zettler's deck on operating as a world-class product manager, from before its section on AI agents.
- [Easily Convert Crypto on Coinbase Commerce using Coinbase.com](https://johnzettler.com/writing/archive/coinbase-commerce-conversions/) ([Markdown](https://johnzettler.com/writing/archive/coinbase-commerce-conversions.md)) — Coinbase · 2020-10-12
  Launching crypto-to-crypto conversions for Coinbase Commerce merchants — connecting more participants to the cryptoeconomy.

The main list: https://johnzettler.com/writing.md

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This page for people: https://johnzettler.com/writing/archive/
More by John Zettler, for agents: https://johnzettler.com/llms.txt