Explore the process of building products with React Native at Facebook in this conference talk from React Native EU 2017. Follow along as a simple screen in the Facebook app is developed for both platforms, incorporating GraphQL. Gain insights into the collaboration between engineers and designers, and learn about the crucial role of A/B testing in Facebook's development process. Discover practical examples drawn from the speaker's personal project experience, providing a real-world perspective on React Native development at a major tech company.