The document discusses serverless architecture, defining it as utilizing third-party servers for backend services. It highlights various serverless options, such as Backend-as-a-Service (BaaS) and Function-as-a-Service (FaaS), alongside their advantages like cost-effectiveness and scalability, and disadvantages like vendor lock-in and latency. Additionally, it mentions specific use cases of serverless applications by companies like Netflix, Coca-Cola, and GoPro.