This document discusses big data and analytics on AWS. It defines big data as large, diverse, and growing volumes of data that are difficult to capture, curate, manage and process with traditional database systems. It notes that the majority of data is now unstructured and that data volumes are growing exponentially. The document outlines the AWS big data platform, which supports batch processing, real-time analytics and machine learning. It provides recommendations on which AWS data stores and analytics services to use depending on data type, access patterns, volume and other attributes.