Evan Armstrong

Evan Armstrong is the lead writer at Every. He explores profit and power in technology in his column, Napkin Math.

Jul 22, 2021

Snowflake: How a Revenue Retention Behemoth was Built

TL;DRThis is the second post on a deep dive in GTM metrics with a focus today on Revenue RetentionSnowflake is a software Dracula. It latche

Feb 13, 2025

Does OpenAI’s Deep Research Put Me Out of a Job?

An investigation into a Sam Altman tweet

Jun 29, 2023

What Happened to the Creator Economy?

The burden of missed expectations

Aug 8, 2024

The Horny Truth About AI Chatbots

What our digital companions reveal about human loneliness

Dec 16, 2021

The primary trends I’m investing in next year

Inflation, web3, embedded fintech, investing in people, and the newsletter winter that is coming

May 12, 2022

Crypto’s Failed Promise

The problem with crypto-as-a-nation-state

Aug 18, 2022

What is an Asset?

Plus a new course from Napkin Math!

Nov 2, 2023

How to Win Arguments and Manipulate Managers

Make your spreadsheets shape strategy

Sep 15, 2022

When Creation Goes To Zero

Skynet Who?

May 9, 2024

Patreon Should Buy Substack to Save Creators

The solution to the problem of social media is to build something better

Oct 1, 2024

Dad Mode

The secret to personal growth isn't in self-help books or ayahuasca trips. It's in a $1.99 pregnancy test from Target.

Dec 5, 2024

The Religion of Ramp

How the fintech became one of the fastest-growing startups—ever

Jun 15, 2023

OpenAI’s Code Interpreter Is About to Remake Finance

Get in loser, we’re disrupting Oracle

Apr 10, 2025

How to Write Online

It’s less about capturing attention, and more about deserving it

Oct 11, 2023

Falling Out of Love With Michael Lewis

The complicated demands of business writing

Sep 29, 2022

Why Culture Eats Strategy

The Search For the Winning Formula

Apr 18, 2024

Don’t Dismiss the Apple Vision Pro

Apple has a hit on its hands. Will it seize the opportunity?

Mar 20, 2025

Can the Startup Mindset Fix America?

Only if buttressed with smart policy, Ezra Klein and Derek Thompson argue in their new book, 'Abundance'

Mar 28, 2024

What Are AI Agents—And Who Profits From Them?

The newest wave of AI research is changing everything

Jul 28, 2022

Snapchat’s Probably Screwed

Apple's ATT Fallout Continues

May 13, 2021

In Defense of WeWork’s Community-Adjusted EBITDA

Clarifying the murky middle ground between Gross Profits and Net Income

Oct 7, 2021

The End of Software, Again

The impending doom of horizontal SaaS

Feb 17, 2022

The Future of Netflix

When everyone’s a streamer, nobody is.

Jun 10, 2022

Software is Eating the Individual

The Embedded Human