distributes drugs. >> it's your medication made easy. >> they're working on ways to turn alexa into a doctor in your home. >> it's flauz plausible that amr any of the other big tech companies will pretty soon know you better than your spouse does, better than your kids or parents do, better than you know yourself. or you're willing to admit. >> amazon knows our food intake. it knows our body mass index because of the clothes we're wearing. it knows if we're in a monogamous relationship. it knows how many kids we have. >> the question is, what is amazon doing with all that information? >> when you search for something, artificial intelligence is making the search result better than it used to be. when we show you the list of recommendations that are personalized for you, that result is improved by artificial intelligence. >> a.i. has also improved amazon's long-awaited drone delivery system. >> you have to be really good at this so customer can trust it completely.