Sample frameDay 361·Growth · Synthesis

Good morning. Twenty mornings of instruments, and nowhere that they all get read together.

Growth.

The Growth Operating Review

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The question

Without opening a dashboard, say what your growth flows did last month, whether your newest cohort's retention curve is flattening higher or lower than the one before it, and what the last thousand dollars into your best channel bought. You can't — and almost nobody can, because those numbers live in five tools owned by four people. That isn't a memory problem. It's the page you've never built.

The idea

Eighteen mornings ago you met the man who asks how disappointed your users would be. In 2017 Sean Ellis and Morgan Brown published Hacking Growth, and its real contribution isn't a tactic — it's a cadence. Growth, they argue, is not a campaign a marketing department runs. It's a cross-functional team working one fixed loop on a fixed clock — analyse the data, generate ideas, prioritise them, test, begin again — at a tempo measured in tests per week rather than initiatives per quarter. Day 50 already made the case for a standing page over a dashboard; this is that page, pointed at the engine. What it assembles is everything the last twenty mornings handed you one at a time: the two identities and their flows, the defection rate and the cause behind it, net revenue retention on a frozen cohort, the cohort curve, the activation milestone, the very-disappointed score, the loop, its leverage point and whether it is still turning, what a channel costs at the margin, and the experiment log. Read separately, each answers a narrow question. Read in a fixed order on one page, they answer the only one that matters — is the engine turning under its own power yet, or is it still being pushed.

The framework

01
Start with two identities, not one list of flows.
Open with new, resurrected and churned in customers — three lines with a direction arrow, netting exactly onto your closing count — then read the same month again in revenue, where expansion and contraction finally exist, and take the quick ratio off that. Under the flows goes the defection rate and the single cause behind most of it, because the monthly meeting that reads departures out loud is this one. Beside all of it, and never derived from it, sits net revenue retention: one cohort frozen twelve months ago, nobody added since, and what that same group pays you now. Then stack the cohort curves, newest against the two before it, the share of each that reached the activation milestone, and this quarter's very-disappointed score against last quarter's. Nothing further down the page can outrun a retention curve that never flattens.
02
One loop, one leverage point, and the reason either changed.
Below the numbers, write two sentences in plain language: the loop you're relying on to compound, and the single point inside it you're currently pushing. Both should be the same as last month. If either has moved, the review's job is to record what evidence moved it, because an unexplained switch of loop is the most common way a growth programme spends two years doing three things badly. Then set the loop's own numbers beside those sentences — this cohort's K, the cycle time it turns on, and the direction across the last six cohorts — because a loop you name every month and never measure is a belief rather than an engine. Parameters — budgets, prices, conversion rates — sit further down the page, where the weakest interventions belong.
03
What does the next thousand dollars buy in each channel?
Blended cost per acquisition belongs nowhere near this page. Give every live channel a row showing what the last increment of spend bought rather than the average, plus how that figure has moved across three months, because a channel's best day is the day you found it. Add one line for the channel you're testing and one for the channel you've decided to stop feeding. If every row's marginal cost is climbing and nothing is being replaced, you already know what next quarter looks like.
04
The last line is the only one that compounds.
Close with the tests: how many ran, how many your traffic could have resolved, what each taught rather than what each won, and how many slots went to a relocation rather than a refinement. Then the final line, which is the reason the page exists — of everything gained this month, the share that came from people who already knew you. Read it in revenue, because revenue is the only identity where expansion exists: expansion, resurrected revenue and the revenue from referred new customers, over gross revenue additions. Never over net, because net turns negative in exactly the months this number matters most. Growth that increasingly depends on strangers is rented, and the rent goes up.

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