This is truly amazing. And no doubt it will be extremely helpful for a lot of good people. Also, I suspect poorly written phishing scams will be a thing of the past very soon.
I mentor a young lad with poor literacy skills who is starting a landscaping business. He struggles to communicate with clients in a professional manner.
I created a GPT3-powered Gmail account to which he sends a message. It responds with the text to send to the client.