People get stuck because their to-do items are too abstract ('Plan vacation') without clear next actions. AI can now decompose these effectively.
Create an app where users write tasks in natural language, then see AI-generated step-by-step plans with deadlines and resource suggestions.
Sell premium features like integration with calendar and team collaboration.
MVP could be a simple web app with OpenAI API integration.
Risk is overpromising on AI's ability to understand personal contexts.