With the world hooked into social networking, perhaps we should use the blockchain to store human requests instead of numerical currency.
The project I'm working on is based in making requests of our friends. The options would be to accept, forward (forwarding it back to the sender would effectively be a refusal), or split it up into smaller tasks to delegate to other people. At first, requests would be broadcasted in the form of a link on social media services (like gchat, FB, email, etc). Given that the request would store the contact information of each participant, the blockchain distribution would allow even the distant connections to have a means to connect with all participants in the project.
For example: I send a request to a sociable friend to "host a party." They accept, but they also delegate the party tasks to other friends. They make requests of their other friends, such as "bring food" and "bring music." These may be passed along and broken up even further. Eventually friends and extended friends will accept at least a few of the tasks, and they'd be able to view each other's contact information to directly coordinate for the project.
In theory, this system could also reach into larger societal functions. If the layman used their connections to reach out to farmers for what they need, and farmers could reach out to manufacturers for what they need, we'd have the foundation of a system of voluntary labor that is as flexible as human creativity.