Nathan Pettijohn's Substack

The hardest calling card there is to fake

I read a lot of business books and LinkedIn posts now that were written by ChatGPT, and I can usually tell.

Sep 8 • Nathan Pettijohn

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August 2025

Artificial Authenticity And The Humblebrag Industrial Complex

A now-viral screenshot (below) of a satirical LinkedIn post from four years ago has been shared thousands of times—mocking the platform’s ecosystem of…

Aug 24, 2025 • Nathan Pettijohn

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January 2025

The Golden Age Of Spam

The modern spam email is a persistent nuisance in the way that flies are a nuisance at a barbecue.

Jan 7, 2025 • Nathan Pettijohn

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May 2024

The Recurring Problems With Subscription Services

Most of us are familiar with subscriptions.

May 7, 2024 • Nathan Pettijohn

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April 2023

Everyone Is Verified. Now What?

Alright, not everyone is verified, but a lot more “regular” people have that once-prestigious blue checkmark on Twitter and Instagram today than…

Apr 21, 2023 • Nathan Pettijohn

May 2020

The Event Horizon Of Truth

In astrophysics, an event horizon and singularity are the two basic components of a black hole.

May 25, 2020 • Nathan Pettijohn

January 2020

Snitches Get Stitches: Why You Should Think Twice Before You Post

On June 30, 2017, the New Jersey rapper Tay-K (born Taymor McIntyre and also known as Tay-K 47) uploaded a music video called “The Race” to YouTube.

Jan 7, 2020 • Nathan Pettijohn

September 2019

Why You Will Be Happier If You Unplug

In 2017, Sarah Solomon woke up in a hostel in San Juan del Sur, Nicaragua.

Sep 27, 2019 • Nathan Pettijohn

Of Course Your Phone Is Listening To You

If Apple’s apology about employees snooping on private Siri conversations is any indication, our devices are listening to us in more ways than we…

Sep 3, 2019 • Nathan Pettijohn

April 2019

Why Every Company Is A Media Company

Picture yourself preparing for a vacation to Sedona, Arizona.

Apr 20, 2019 • Nathan Pettijohn

March 2019

'Hustled, Scammed, Bamboozled And Hoodwinked': Why Fyre Festival Wasn't Ja Rule's Fault

In November 2016, Ja Rule introduced Billy McFarland as his “partner in crime” to an eager audience at The Web Summit.

Mar 5, 2019 • Nathan Pettijohn

November 2018

Google And Amazon’s Competition Is A Win For Smaller E-Commerce Companies

E-commerce is booming, and one player is leading the charge.

Nov 12, 2018 • Nathan Pettijohn