Explore internationalization and localization techniques for React applications in this 28-minute conference talk from React.js Conf 2015. Dive into FormatJS and react-intl, open-sourced tools by Yahoo, that provide a declarative approach to formatting data and strings for over 150 languages. Learn how to handle complex formatting challenges such as numbers, dates, and pluralization in just 7KB gzipped. Discover real-world examples from Flickr and Facebook, and gain insights into JavaScript internationalization support. Examine React components for relative times, string messages, and pluralization. Delve into the architecture of FormatJS and its integration with React through react-intl, empowering you to create truly global web applications.