If you want ChatGPT to say nice things about you (or bad things about your competitors), then you'll need to give it your version of information - at least that

If you want ChatGPT to say nice things about you (or bad things about your competitors), then you'll need to give it your version of information - at least that will be the line peddled to us. I've already received emails from SEO snake oil sellers now advertising themselves as being able to influence ChatGPT output.