Don Goodman Wilson was a speaker at the Codemotion Amsterdam 2019 conference with the talk “Chinese food, motor scooters, and open-source development”. He answered a few questions: developer advocate or developer evangelist – what do these labels mean? Tells us about the Devrel salon, the meetup group you started up in Paris and Amsterdam. Should it focus on open source? Is it still relevant, or is it a relic from the past? What can companies learn from communities? What did you learn from them?