01
Product
01 · Product
Scoping, specs and trade-offs: what worked, and what got stuck.
Blog
Fieldnotes
What live engagements teach about product, growth and AI content machines.
Latest note · 24 October 2026 · 7 min read
Testing a calculation with a test oracle, or how to know it is right
A calculation that is a penny out passes every test if nobody knows the right answer. A test oracle is how you write that answer down before you check.
Read the note →- 02Build a clickable prototype before development, and show more than oneA clickable prototype costs a few days and can save weeks of development, as long as you know which question it has to settle.7 min read →
- 03Automated SEO reporting that the leadership team actually readsA monthly SEO report that sends itself, what it contains, how it warns you when it is wrong, and why Search Console and GA4 disagree.9 min read →
- 04Running a monthly marketing committee that actually decides thingsA monthly marketing meeting with leadership is worth having on one simple condition, that you leave it with written decisions.8 min read →
- 05Acceptance testing and go-live, the checklist I actually useA test plan people actually read, business flows tested end to end, and a checklist that says clearly when you can open the doors.9 min read →
- 06Writing an integration specification that people actually readWhat an integration specification between an ERP and an online shop should contain, and how to keep it current when the project changes every week.9 min read →
- 07AI content machine: what human review has to keepAn AI content machine writes fast. What makes it reliable is decided before the drafting, and in the rules each review leaves behind.8 min read →
02
Growth
02 · Growth
SEO, content and acquisition: what the numbers taught.
03
AI machines
03 · AI machines
Content pipelines and automations, limits included.
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