I’m Ruben Hassid, author of How to AI. I’m 29, live in Tel Aviv, and I’m originally from Paris. My life changed on November 30, 2022, the day ChatGPT launched.

I was a 25-year-old ghostwriter sending briefs to freelancers, teaching them how I search, format, and design content. I wanted them to get my vision and taste. Instead, I was burning out.

Then I found ChatGPT. People said you could “train” it, so I spent the day trying. But I hit the first AI wall: everything about how to use it was...