Explore the world of voice assistants, focusing on Amazon Echo and Alexa, in this 50-minute Devoxx conference talk. Discover the capabilities of modern voice assistants, from controlling smart home devices to accessing information effortlessly. Learn how to develop and deploy custom Alexa skills using AWS Lambda, without incurring costs. Gain insights into Alexa's functionality, architecture, and the Alexa Skills Kit. Follow along as the speaker demonstrates practical examples using an Echo Dot, covering topics such as security, device types, skill creation, deployment, and testing. By the end of this talk, understand the potential of voice assistants and be inspired to create your own Alexa skills.