Cornelia Davis was a speaker at the Codemotion Rome 2019 conference, with the talk “Turning Request / Response on its Head”. She answered a few questions: what are the new challenges posed by the microservices? What are the new patters born from this? What is the most effective approach to a distributed system? What are the benefits of containerisation and what are the challenges it creates? How do you choose which technologies to invest in? what are the most interesting emerging technologies?