ChatGPT is not picking up on your tone, ideas, or needs

Fine-tune ChatGPT so it understands your unique style, making your workflows smoother and more efficient.

You are wasting time with trial and error

I will show you how to build a personalized, repeatable system in an hour.

Ten hours of random hacks ≠ one repeatable system

In 45 minutes I will give you a tested framework and prompt library that wipes out the trial-and-error grind.

Module Outline

6 Chapters · 23 Lessons

  1. 1

    🏁 Start here

    1. (Included in full purchase)

      What's a digital twin?

    2. (Included in full purchase)

      What we won't do

  2. 2

    📋 Must-Do Copy & Paste Prompts

    1. (Included in full purchase)

      Digital Twin Framework

    2. (Included in full purchase)

      Ban words or style

    3. (Included in full purchase)

      How to run a test

  3. 3

    💡 How ChatGPT Remembers

    1. (Included in full purchase)

      Add/Delete Memories

    2. (Included in full purchase)

      Temporary chats

    3. (Included in full purchase)

      Projects

  4. 4

    ⌖ One-Shot Prompting

    1. (Included in full purchase)

      One-Shot Is All You Need

    2. (Included in full purchase)

      One Shot vs. Few Shot

    3. (Included in full purchase)

      When to Zero Shot still?

  5. 5

    📖 Examples

    1. (Included in full purchase)

      ChatGPT as my lawyer

    2. (Included in full purchase)

      ChatGPT to write briefs

    3. (Included in full purchase)

      ChatGPT to (Deep)Search

    4. (Included in full purchase)

      ChatGPT to write like [...]

    5. (Included in full purchase)

      ChatGPT to capture trends

    6. (Included in full purchase)

      Bonus: ChatGPT to know me better

  6. 6

    🎁 BONUS

    1. (Included in full purchase)

      Select the right model

    2. (Included in full purchase)

      How to create your GPT

    3. (Included in full purchase)

      DON'T - Custom Instructions

    4. (Included in full purchase)

      ChatGPT Alternative: Grok

    5. (Included in full purchase)

      ChatGPT Alternative: Claude

    6. (Included in full purchase)

      How to learn more?

Hey, I'm Ruben

300M+ people have seen my AI content online. I’ve taught prompt engineering at Google, LinkedSummit, and B2B Summit Paris. This course is built from how I actually use ChatGPT to save time—and get results—every single day.

Questions I Hear Often:

“Do I need APIs?” ➜ Nope. The twin lives 100 % inside the ChatGPT tab you already use. “Is this just another prompt list?” ➜ Prompt lists tell you what to paste. The twin teaches ChatGPT to think like you — big difference

Build My Digital Twin

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