Blog
Model explainers, book reviews, and field reports from digital product management.

October 20, 2026
A Content Repository Instead of a CMS: How an AI Agent Keeps Content, Tone of Voice, and SEO Together
A CMS manages pages. A content repository manages the knowledge about your content – tone of voice, audiences, keywords, facts – and an AI agent works with it. What that looks like at produktkraft.com: from changes across all pages to the podcast workflow, with two seed prompts to build your own.

October 16, 2026
Website Builders Are Dead. Long Live the Static Website (Finally, Again)
Website builder, CMS, page builder – you can drop them all. Since the end of August, produktkraft.com has been running as a static site on Cloudflare Pages, built with an AI agent in the IDE. What that means for price, performance, tech, SEO, and flexibility, where the hurdle is – and why the agent won’t take care of taste for you.

May 16, 2026
Stage 2: MVP & Tech Stack – Building a Generative AI Application Step by Step
You understand what your AI is supposed to do – but how do you actually build it now? In this article, I zoom into Stage 2 of my generative AI playbook and describe which technical building blocks you really need to iterate on an MVP application quickly and sensibly: prompt management, tracing, cost monitoring, and the right hosting decision. And at least as important: why you don’t need to worry about RAG and fine-tuning for now. Practical, without buzzwords, and with concrete examples from my own work. The deep dive into MVP & tech stack.

February 20, 2026
Stage 1: Understand – Building a Generative AI Application Step by Step
Before anyone builds software, one thing has to be clear: what is the AI actually supposed to do – and what does a good answer look like? In this article, I zoom into Stage 1 of my generative AI playbook and describe, step by step, how to run the first and most important check: can AI solve my problem at all? Practical, without buzzwords, and with concrete examples from my own work. The deep dive into understanding.

November 22, 2025
The Development Stages of a Generative AI Application – A Practical Playbook from a Product Management Perspective
How do you actually build products with large language models? After six hands-on AI projects, I share my framework for developing generative AI applications in a structured way. From the first idea to a scaled rollout – find out why the core principles of good product work remain while the tools change fundamentally. The first article in a series that takes you through the complete development process – practical and without the mystique.

September 2, 2025
Your Brain on ChatGPT – LLMs Make Bad (Product) Coaches
Like so many of us, a few months ago I stumbled across the viral 2025 preprint of the “Your Brain on ChatGPT” study by Kosmyna et al. The paper sets off a real fireworks display of methods, and its result, broadly speaking, is that people who write texts with the help of ChatGPT are probably less cognitively challenged than those who formulate the texts themselves. But can it really surprise us that ready-made answers don’t make us smarter? And what does this have to do with good coaching?

May 3, 2025
The Lean Startup by Eric Ries – Putting On a Classic!
Eric Ries’s ‘The Lean Startup’ is considered the foundational work of product management because it addresses not just individual methods but the big picture: how teams with limited resources systematically drive innovation through fast, experimental learning and the build-measure-learn loop. This timeless methodology makes the book indispensable for anyone developing new products.

March 25, 2025
Impact-First Product Teams by Matt LeMay: Summary and Review
Impact-first product teams are teams for whom working on outcomes instead of outputs doesn’t go far enough. Instead, they put the whole business in focus. How can that work, and is Matt LeMay’s book worth reading? You’ll find out in this article.

February 26, 2025
Book Review: The Best of Lenny’s Newsletter Volume 1
With “The Best of Lenny’s Newsletter Volume 1,” Lenny Rachitsky has published a collection of the strongest posts from his newsletter. Essential or not? I’ll tell you!

January 22, 2025
The Cold Start Problem by Andrew Chen: Model Explainer and Book Review
What is Andrew Chen’s ‘Cold Start Theory’? I explain the model in simple terms and look at whether the book that goes with it, “The Cold Start Problem: How to Start and Scale Network Effects,” is worth your time.

December 10, 2024
Model Explainer and Book Review: The Five Dysfunctions of a Team
Patrick Lencioni’s The Five Dysfunctions of a Team is now more than 20 years old. Are the book and the team development model it describes still relevant? I take up this question from a product management perspective.

November 23, 2024
The Creative Act: A Way of Being – Why Is Rick Rubin’s Book So Relevant for Product People?
Why does Rick Rubin’s ‘The Creative Act: A Way of Being’ keep coming up in the product management community? Should you read it as a product person? I’ll tell you!

November 12, 2024
Model Explainer & Book Review: Playing to Win – How Strategy Really Works
What is the Playing to Win framework? And from a digital product management perspective, is A.G. Lafley and Roger L. Martin’s book worth reading in full? I cover both in this article!
