Explore the inner workings of Amazon's Alexa and learn best practices for building voice user interfaces in this comprehensive conference talk. Unpack the technology behind Alexa, delve into the concept of voice skills, and understand the components of a voice user interface. Discover the journey of voice technology, examine the Alexa app, and learn about development tools like Echo Symbiote and the Developer Portal. Gain insights into creating engaging Alexa Trivia games, working with SDKs, and implementing text-to-speech features. Master design principles, consider cognitive load, and explore Alexa for Business applications. Dive into gadgets and access valuable resources to enhance your voice interface development skills.