1. Select a broadly representative bunch of people by lottery.
2. Bring them together in an assembly, typically at small tables or groups, and let everyone have their say.
3. Have those most knowledgable about, or affected by, the issue address the assembly, bringing in diverse viewpoints and proposals.
4. Get the participants to discuss, listen and talk to each other – and give reasons for their opinions.
5. Decide! On what is the best way forward.