Erlang/OTP was released Open Source 20 years ago. This talk is about the Open Source journey and how it has impacted, and still impacts, the Erlang/OTP teams way of working. How do we balance propriety interests of Ericsson with the interests of the Open Source community? Why Open Source is important for the existence of Erlang/OTP! How Open Source contributes to making Erlang/OTP great! More details on website: https://codesync.global/conferences/code-beam-sto-2018/