My girlfriend was struggling with an assignment for university yesterday, so I put the questions into a GPT-3 site and the essays it wrote were better than either of us could have written by hand...
https://you.com/search?q=how%20to%20write%20well&fromSearchB...
Also, it would have worked perfectly for my girl's homework assignment, but she has morals and decided she couldn't ethically submit it. She did use the output for ideas on what to write, though.