Explore the world of conversational AI and learn how to build clever chatbots in this 33-minute conference talk from WeAreDevelopers Conference 2017. Discover the architecture of conversational systems, challenges in implementation, and open-source tools for creating your own AI-powered assistant. Delve into topics such as dialogue management, multilanguage support, data sources, and the evolution of chatbots. Gain insights on handling multiple sentences, state prediction, typo management, and training processes. Understand the differences between chatbots and dialogue agents, and explore the future of conversational interfaces in software development.