What is the lowest hanging fruit someone should build, but you haven't seen built yet? 

Would love to see the one line pitch + why it's so badly needed in your eyes.
Bonus points for pointers on how to get started building

Developer 🤓 build, develop and operate Farcaster solutions @ dtech.vision also love tech, decentralization, fitness and oldschool rap 😎

A decentralized, trustless marketplace for unused subscription services where users can resell or share access to their paid subscriptions securely

Like Netflix maybe?🙂