Rebuilding dataaigency.com in the open
Why this site is a public repo, and how the rebuild works.
Case studies and notes
Work & writing
Does a small business need a data warehouse (or a lakehouse)?
An honest decision guide: the three signals that say yes, what these things actually are, what they cost, and when a spreadsheet is genuinely enough.
Can data tell you when to surf?
A surf forecast is a tiny data platform, so here is the whole idea explained through one question: when do I paddle out?
What a 30 minute first look at your data stack actually finds
A plain account of how I spend the free 30 minute review and the problems that keep turning up in it.
Medallion architecture: the five mistakes I keep unpicking
Bronze, silver and gold are easy to draw and easy to get wrong, so here are the five failure patterns I see most and how to avoid them.