[MUSIC] Today we're gonna talk about classification. Which is perhaps one of the most common areas of machine learning, one of the most used, and useful areas of machine learning. And perhaps, one of those most intuitive ones as well. So things like figuring out whether your email's spam or not, or whether a document comes from a sports topic, or it's about politics, or it's about entertainment, and so on. But as usual, we're going to start with a use case, which is an exciting one, around restaurant reviews. [MUSIC]