Alexa is the speech processing and personal assistant technology behind Amazon Echo. Speech-based user interfaces represent one of the next major disruptions in computing and the Alexa Voice Service (AVS) provides you with an opportunity to take advantage of this new form of interaction. In this session, well walk through the recently-released AVS API by building a voice-enabled application and then go behind the scenes with Alexa, diving into the architecture and unique technical challenges faced during development.