The Insight
One thing about e-commerce growth, performance marketing, or brand building that we learned this week. Written from the factory floor, not from a case study.

The Loompaa Letter is a weekly email for D2C founders and e-commerce operators. It covers the things that actually move revenue — not the things that get retweeted at marketing conferences. Every issue has three things and three things only.
One thing about e-commerce growth, performance marketing, or brand building that we learned this week. Written from the factory floor, not from a case study.
One data point that changes how you should think about your business. Could be an industry stat, a benchmark, or something from a client account (anonymised).
One opinion we hold that most agencies would be too scared to say out loud. We publish it anyway.
Issue 14
Blended ROAS hides where the actual efficiency problem is. Here's the breakdown that shows the truth.
Issue 11
One in four orders is coming back. The math of what that actually costs your margin — and the three things that fix it.
Issue 09
Athletes add weight every week. Why most brands run the same creative for 3 months and wonder why ROAS drops.
Issue 07
The performance guarantee, the 48-hour live commitment, and why the retainer model doesn't align anyone's interests.
Issue 05
The first 7 days after a customer subscribes determines their LTV. Most brands send one email and forget.
Issue 03
Blinkit and Zepto aren't just distribution. They're discovery channels. Here's how the top brands are using them.
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Free. Weekly. Unsubscribe anytime (but you won't want to). No pitch. No spam. Just the insight. Every Tuesday.