> If only there were an Uber for unused cycles or storage... let everyone turn their unused capacity into mini AWSs with a common interface and safety and reliability guarantees.

Funny, this was our idea with first startup 18 years ago, federation of unused storage and redistribution. There were no takers as no one wanted to contribute their unused storage but wanted others. It was much easier to centrally locate our own storage and allocate to users who required it.