This is a description of my passion project. I plan to publish more detail and motivation when I get to a minimum viable product. I want to make social collaboration software without walls. A company can have its private discussions and documents - but people in a company should be able to include clients or contractors in discussions seamlessly. It should not be necessary to require people to join a private account on service X just to have a conversation. The idea is to make a decentralized protocol - there is no central server, and no one company that controls everything. This has been attempted before by Identi.ca, Diaspora, Google Wave, and others. I thought that a decentralized protocol could have more success if it takes a different approach: reinvent as little as possible, and build on top of an existing protocol with a large user base. I’m working on a reference client (called Poodle) that implements a new protocol that builds on email. …