Just as apps require operating systems, so open projects and initiatives need open organisations. While we spend a lot of time thinking about open source software and open licensing, we don't spend enough time talking about open organisations. Let's explore what it means to be an 'open organisation' and how we can use them to improve both our initiatives, and the world! Along the way we'll discuss co-operatives, decentralisation, and how you can use 'trojan mice'...