# ThatSean

Essays and notes on AI, science, systems, business, and the connections between them.

## Latest

[

### AI will change the type of expertise we value

AI

March 29, 2026 Mar 29, 2026](https://thatsean.com/fragments/ai-and-expertise)

## Recent Fragments

[All fragments](https://thatsean.com/fragments)

Title Tags Date

[

### Positive and Negative Feedback Loops

Complex Systems

March 26, 2026 Mar 26, 2026](https://thatsean.com/fragments/feedback-loops)

[

### Thinking of Sales as an Explore-Exploit Trade Off

Sales

March 23, 2026 Mar 23, 2026](https://thatsean.com/fragments/sales-process-explore-exploit)

[

### Self-Efficacy

psychology motivation

March 20, 2026 Mar 20, 2026](https://thatsean.com/fragments/self-efficacy)

## Notes

[All notes](https://thatsean.com/notes)

[![Profile picture](https://thatsean.com/profile.jpg)](https://thatsean.com/notes/linear-vs-lateral)

[Sean](https://thatsean.com/notes/linear-vs-lateral) · [August 12, 2026 Aug 12, 2026](https://thatsean.com/notes/linear-vs-lateral)

The traditional dynamic is:  
Computers - linearly accumulative  
Human Brains - laterally associative

Now we have LLMs and knowledge graphs, which are laterally associative computers.

[![Profile picture](https://thatsean.com/profile.jpg)](https://thatsean.com/notes/mediocre-coders)

[Sean](https://thatsean.com/notes/mediocre-coders) · [May 18, 2025 May 18, 2025](https://thatsean.com/notes/mediocre-coders)

One of the best things AI could do for us is turn mediocre coders into good coders and turn messy coders into clean coders. And that seems to be what’s happening.

[![Profile picture](https://thatsean.com/profile.jpg)](https://thatsean.com/notes/imposter-syndrome)

[Sean](https://thatsean.com/notes/imposter-syndrome) · [April 4, 2025 Apr 4, 2025](https://thatsean.com/notes/imposter-syndrome)

Imposter Syndrome happens because your perception of your identity lags behind your actual identity.

If you are a person who is constantly changing and growing, that will always be true.

The faster you change and grow, the more your perception of yourself will lag behind the reality of who you are.

[![Profile picture](https://thatsean.com/profile.jpg)](https://thatsean.com/notes/big-important-problems)

[Sean](https://thatsean.com/notes/big-important-problems) · [March 29, 2025 Mar 29, 2025](https://thatsean.com/notes/big-important-problems)

Big important problems are almost never easy to understand, but they are easy to trick yourself into thinking you understand

[![Profile picture](https://thatsean.com/profile.jpg)](https://thatsean.com/notes/reversible-irreversible-decisions)

[Sean](https://thatsean.com/notes/reversible-irreversible-decisions) · [February 27, 2025 Feb 27, 2025](https://thatsean.com/notes/reversible-irreversible-decisions)

A lot of dysfunction at companies can be explained by leaders not distinguishing between **reversible decisions** and **irreversible decisions**.

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