I'm writing this from the same coffee shop I opened at 25.

I don’t run it. I barely manage it. But I do love it. I even built my office inside of it. It’s where I run a full-blown tech startup now—and it still smells like fresh espresso and new beginnings.

It’s wild to think how much of my life I’ve lived inside these walls.

I’ve gone from designer to
→ agency founder
→ consultant
→ tech founder
→ coffee shop owner
→ back to tech startup CEO

I’ve worn more hats than I can count.

I used to feel guilty about that. Like maybe I should’ve just stuck to one thing, gone deep, and become “the guy” at that one thing.

But looking at where the world’s headed, I’m starting to realize...

Maybe I did it right.

The End of Mastery in a Machine-Driven World

You no longer need to be the best at any one thing.

You just need to be good enough at many—good enough to validate them.

We’re not living in the Information Age anymore.
We’re entering the Validation Age.

Here’s what that looks like:

• A designer doesn’t need to master Photoshop. They need to know what good design looks like, and how to ask AI to make it happen.
  

• A marketer doesn’t need to write a perfect email. They just need to know what a high-converting one sounds like.
  

• A founder doesn’t need to code the product. They need to know what it should do—and validate whether it’s working.

The new value stack:

1. Know what good looks like

2. Know how to communicate it

3. Know how to validate it

That’s it.

Being a generalist is no longer a weakness. It’s a superpower.

Why Generalists Will Win

For most of history, success belonged to specialists.

Pick one thing. Go deep. Master it.
That made sense in a world where humans did the work.

But today? AI does the work.
And the real job? Validating it.

• You don’t need to be a professional writer.
  Just know how good writing reads.
  

• You don’t need to be a designer.
  Just know how to spot a clean brand.
  

• You don’t need to be a coder.
  Just know what the code should do.

The more domains you understand just enough to guide and validate, the more powerful you become.

Because now, it’s not about doing the work. It’s about conducting it.

And AI?

AI can play every instrument.
You just need to be the one conducting the orchestra.

So, Here’s the Plan: as I shared last week

If you’ve got range—if you’re the kind of person who’s always been “pretty good” at a lot of things...

I hope you are building in this space..

And if you want to start turning that into something tangible—like building your own knowledge base or getting AI to actually think like you—I’d love to help.

I want to hop on a call and show 5 people how to use Snack Prompt to build a knowledge base. What do I get? Feedback from you!

👉 Join my private Slack

DM me once you’re inside (search: Eder Teixeira)

Let’s pick a time to build to chat.

Talk soon,
Eder

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