Field notes

Writing from the desk, not from a vendor blog.


Short essays on lifecycle messaging analytics as we teach it in Yannawa. None of these are recaps of a product release.

Small team on a video call reviewing work

2 June 2026 · Experiments · 7 min

When a holdout group is too small

Tiny withheld slices look scientific and prove nothing. How small is still honest, and when to stop pretending.