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Dive into the collection of past posts

The 3 types of segmentation | #053

The 3 types of segmentation | #053

and their pros and cons

Dec 17, 2025

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8 min read

How to scale on Meta | #052

How to scale on Meta | #052

And avoid the pitfalls that just give Zuck that free money 🤑

Dec 10, 2025

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14 min read

How to deal with Geographic Attribution | #050

How to deal with Geographic Attribution | #050

When users see an ad in the US but convert in Europe, who gets credit?!

Nov 26, 2025

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11 min read

How to measure when you can't A/B Test | #049

How to measure when you can't A/B Test | #049

Introducing switchbacks and propensity matching and how to set them up

Nov 19, 2025

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10 min read

Log #048 | How Duolingo grew DAUs 900%

Log #048 | How Duolingo grew DAUs 900%

It's the most magical intersection between data, product, and marketing I've seen in a long time.

Nov 12, 2025

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14 min read

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