Tag
A/B testing
2articles
November 2026
2 articles on this page
Data & analytics10 min readDid the martech tool earn its fee? A four-line test-and-learn rule
For small marketing teams about to buy, or already paying for, an email, retargeting or loyalty tool. Four lines: write the baseline before switching on, hold out a random control group, fix the metric and stopping rule in advance, and judge on incremental orders, not credited ones.
Data & analytics10 min readNetflix: data or gut? Reading the two original papers
For owners and managers who hear that Netflix runs on data, or on instinct. The two original papers show the question hides the main point: data answers a few very narrow questions, while people choose the questions and the yardstick.