Personalizing ChatGPT, Perplexity , Copilot and Claude

Q. I heard one can persoinalize ChatGPT. And the other ones.

A. Yes, you can personalize ChatGPT. Basically, you send an additional prompt to the engine with the prompt you give in a session. More information:

In Gemini:

Also in Perplexity:

And in Copilot:

And in Claude: