Huy Pham discusses Flux and its implementation on mobile platforms. Flux is an application architecture used by Facebook for building client-side web apps. It consists of a dispatcher, stores, and views. Flux was inspired by for mobile development, with similar concepts like actions (called spreads), stores (called pools), and models. The document also introduces Spread, a library inspired by Flux for building iOS and Android apps, with features like JSON mapping, React integration, and remote data handling.