Insights

Arguments we are having
internally, written down.

Subjects

Brand · Conversion · Measurement · Performance · Search · Web

No trend round-ups and no predictions. These are the working notes of people who have to make the call on Monday.

RSS feed

Performance

Creative testing is a sampling problem

Treating each ad as a contender to be judged is why most creative testing programmes learn nothing. Treat the batch as the unit.

A cast-iron press at rest beside open tins of mixed ink

2026  /  8 min