Evan Armstrong

Evan is the lead writer at Every. He explores power and profit in technology in his twice-weekly Napkin Math column.

Jun 22, 2022

Are We Really Addicted?

An interview with Nir Eyal

Aug 13, 2024

The Addiction Economy

Addicted, overwhelmed, oversubscribed: How technology hooked the world

Jun 11, 2024

Apple’s AI Evolution: Built-in AI, Supercharged Siri, and Ecosystem Lock-in

Maybe the new world is the same as the old

Jun 23, 2022

Facebook’s Capitulation

Abandoning a Trillion Dollar Advantage

Feb 22, 2024

AI and the Vision Pro Don’t Need a Killer App

Software that drives hardware adoption is rarer than you think

Apr 21, 2022

Microsoft should buy Netflix

Netflix and Bill

May 9, 2024

Patreon Should Buy Substack to Save Creators

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

May 28, 2021

ITDA: The Gamification of Financial Statements

How governments and companies are engaged in mutual manipulation

Jan 31, 2022

Spotify’s Quest to Own Your Ear

A Napkin Math and Trapital Production

Jun 4, 2024

AI Is Transforming the Nature of the Firm

By reducing transaction costs, AI will reshape how companies operate and interact

Jun 30, 2022

Look On My Works, Ye Mighty, and Despair

I Have Some Thoughts To Share

Jan 11, 2024

The Books, Videos, Movies, and TV Shows That Changed Me Last Year

If you want to develop great taste, you must taste a lot of stuff

May 7, 2024

The Right Kind of Asshole

A founder’s personality can differentiate them—or destroy them

Jul 30, 2024

Tinder Is Way More Important Than You Think

The success of a dating app has huge implications for the U.S. economy

Aug 27, 2024

Benevolent Billionaire or Despot—Or Both?

A new book on Bill Gates asks: How do you measure a billionaire’s net impact on the world?

Aug 18, 2022

What is an Asset?

Plus a new course from Napkin Math!

Mar 23, 2022

BIG announcement incoming

I'm going full time on Napkin Math

Aug 22, 2024

Copy Rights and Wrongs

Who owns the output of AI—the machines or the creators?

Apr 22, 2021

Am I getting ripped off writing at Every?

Screenshots of my contract and the financial model I used to decide

Jun 21, 2024

You Can’t Math Your Way to Success

Whether in art, startups, or parenting, you can only control so much

Mar 24, 2022

Planet of the Billion Dollar Bored Apes

Is Bored Ape Yacht Club a Decentralized Disney?

Jul 16, 2024

What I Got Wrong About VR

Whoopsie, I may have gotten a little excited

Aug 25, 2022

Finance is Narrative Not Numbers

The Subtle Art of Manipulating CFOs

Jul 28, 2021

Twilio’s Second Act

Twilio rode its API to a $66B valuation. Now it’s trying to become the Universal Switchboard for the internet.