1 00:00:04,500 --> 00:00:06,650 This week we'll see how we can use analytics 2 00:00:06,650 --> 00:00:09,860 to understand opinions and intelligence. 3 00:00:09,860 --> 00:00:11,800 In the first lecture, we'll see how 4 00:00:11,800 --> 00:00:15,660 we can use Tweets on Twitter to understand sentiment and public 5 00:00:15,660 --> 00:00:17,040 perception. 6 00:00:17,040 --> 00:00:19,240 In the second lecture, we'll discuss 7 00:00:19,240 --> 00:00:22,030 how IBM built a computer that could beat the best 8 00:00:22,030 --> 00:00:25,470 human players at Jeopardy, a popular game show. 9 00:00:25,470 --> 00:00:28,760 Through these examples, we'll introduce the exciting area 10 00:00:28,760 --> 00:00:31,990 of text analytics, and see how we can turn words 11 00:00:31,990 --> 00:00:34,800 into variables to be used in our models. 12 00:00:34,800 --> 00:00:36,780 Let's get started.