The document summarizes a presentation on machine learning in data science. It discusses how machine learning is a subfield of computer science that uses algorithms to learn from examples and improve performance on tasks. Popular machine learning tools used in data science include regression models, artificial neural networks, decision trees, and support vector machines. The presentation also outlines applications of machine learning and data science in fields like ecommerce, banking, media, and bioinformatics. It concludes that deep learning techniques are increasingly important and there will be growing demand for data scientists.