Rohit Prasad is the vice president and head scientist of Amazon Alexa and one of its original creators. This conversation is part of the Artificial Intelligence podcast. If you would like to get more information about this podcast go to https://lexfridman.com/ai or connect with @lexfridman on Twitter, LinkedIn, Facebook, Medium, or YouTube where you can watch the video versions of these conversations. If you enjoy the podcast, please rate it 5 stars on Apple Podcasts or support it on Patreon. This episode is presented by Cash App. Download it (App Store, Google Play), use code "LexPodcast". The episode is also supported by ZipRecruiter. Try it: http://ziprecruiter.com/lexpod Here's the outline of the episode. On some podcast players you should be able to click the timestamp to jump to that time. 00:00 - Introduction 04:34 - Her 06:31 - Human-like aspects of smart assistants 08:39 - Test of intelligence 13:04 - Alexa prize 21:35 - What does it take to win the Alexa prize? 27:24 - Embodiment and the essence of Alexa 34:35 - Personality 36:23 - Personalization 38:49 - Alexa's backstory from her perspective 40:35 - Trust in Human-AI relations 44:00 - Privacy 47:45 - Is Alexa listening? 53:51 - How Alexa started 54:51 - Solving far-field speech recognition and intent understanding 1:11:51 - Alexa main categories of skills 1:13:19 - Conversation intent modeling 1:17:47 - Alexa memory and long-term learning 1:22:50 - Making Alexa sound more natural 1:27:16 - Open problems for Alexa and conversational AI 1:29:26 - Emotion recognition from audio and video 1:30:53 - Deep learning and reasoning 1:36:26 - Future of Alexa 1:41:47 - The big picture of conversational AI

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