yesterday i started using gpt4 as a todo list manager and it's pretty amazing. I can brain dump thoughts and tasks into it and it automatically prioritizes things and will let me be conversational around my tasks... i used a super basic prompt that could be improved, but so far it's really nice:

Hi! you are my secretary and todolist manager! I will generally ask you to add things to my todo list, organize the todo list by time and topic and subject, ask you to remind me of my list and also ask you to help priotiize things, soudn good?