How churn resurrection is a trap | #055

A perfect counter example to the argument of "Size matters"

2025 look back | #054

and a 2026 look forward

The 3 types of segmentation | #053

and their pros and cons

How to scale on Meta | #052

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

Why I'm done being a data scientist | #051

And my real and raw feelings looking back on my 15 year career

How to deal with Geographic Attribution | #050

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

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

Introducing switchbacks and propensity matching and how to set them up

How Duolingo grew DAUs 900% | #048

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

The 13 questions I wish I asked | #047

before joining as a marketing and data leader + the red flags I look out for

Why startups shouldn’t spend a $ on Paid ads | #046

5% of your audience is ready to buy and 80% have made up their mind. Why are you spending money chasing the rest? Here's what to do instead.

How I built Uber's Brand Science team | #045

and created the foundation to measure the ROI of $1 Billion+

The 4 investments that unlock marketing efficiency | #044

and 21 tactics you should use to improve your CAC.

7 brutal truths about CAC | #043

This is the stuff you can only learn through cuts, bruises, and scars

How to properly define CAC | #042

CAC is the first metric that every Marketer learns but I bet you there's so much you still don't know about it yet!

How to write a measurement brief | #041

That makes every campaign have a higher rate of learning and trust.

How to accelerate retention | #040

Retention is often mentioned as a product metric, but that's too simplistic. Marketing has just as much say in it.

How to turn data into credibility | #039

Data is such a powerful tool but you must learn to wield it wisely and with respect, young padawan.

Why analyzing Marketing feels impossible | #038

Everyone wants to understand how marketing is doing but few get that's hard to answer

How Marketers can use AI | #037

AI is supposedly going to replace Marketers. I don't see it but might as well use it to your advantage!

How Data Scientist should use AI | #036

AI is not coming for all Data Scientist. It's just coming for the ineffective ones.

The 5 laws of Marketing | #035

The physics of the Marketing world are but on these 5 laws that have yet to be disproven!

Log #034 | How to measure Marketing efficiency

"Is my Marketing working?!" Probably so let me help you defend it from those vultures in Finance.

How to build better Marketing with LTV | #033

How to identify high LTV users | #032

I was gonna clean my room but then I got high. High LTV users that is.

How to increase LTV | #031

LTV is one of the most crucial metrics for any business to calculate and yet most don't know how to calculate it properly. Let's fix that.