Joshua Sierles, freelancer, Sevilla on The React Native Playground The React Native Playground breaks down barriers to mobile development by making it easy to write React Native apps right in the browser, and test them across platforms and devices. Slides are here https://speakerdeck.com/reactamsterdam/joshua-sierles-freelance-sevilla-the-react-native-playground If you tweet, don't forget to #reactamsterdam tag it!