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 meet-up 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?