VOL. 01 — LEARN
Plain explanations of the things this market is bad at explaining.
Written for procurement teams, IT leads, and engineers who actually have to decide. Updated when there’s something useful to add — subscribe via RSS.
EU data residency vs EU sovereignty — the difference matters
These two phrases are used interchangeably in vendor marketing and they shouldn't be. Here's the difference, with concrete examples.
Read →Postgres Row-Level Security as a multi-tenancy primitive
Why we put tenant isolation in the database instead of the application layer, what the RLS primitive looks like in practice, and what we accept as the tradeoff.
Read →Self-hosted Slack alternatives — a 2026 sanity check
Mattermost, Rocket.Chat, Element/Matrix, Zulip — what each one actually costs to run, and when self-hosting is the right answer (rarely).
Read →What the CLOUD Act actually means for European companies
The 2018 US statute, the operational reality, and the procurement-checklist takeaway. In plain language.
Read →What 'sovereign managed SaaS' should mean — and what it shouldn't
The phrase is starting to appear in vendor marketing. Here's what it operationally requires, and how to spot the marketing-only version.
Read →— BEGIN —
Start your workspace in 60 seconds.
Free for teams up to 10. No credit card. No call required.
Create your workspace →