AWS Lex is Amazon’s powerful natural language processing and understanding service which makes it easy to build conversational bots and voice and text-based applications. It uses advanced deep learning technologies to recognize the intent of the user and extract key information from the conversation. AWS Lex makes it possible to quickly and easily build sophisticated, natural language-based chatbots and voice interfaces without requiring any coding knowledge. With Lex, you can create custom applications that can understand natural language and respond to user requests in real-time. Additionally, Lex integrates with many popular third-party services and systems, allowing you to quickly and easily build powerful, insightful applications that can understand and respond to user needs. With AWS Lex, you can create sophisticated, natural language-based chatbots and voice interfaces that are incredibly accurate, making it easier than ever to build engaging, personalized customer experiences.