The document discusses Microsoft's Analytics Platform System and how it provides an integrated platform for data ingestion, storage, processing, analytics and visualization. It can handle both structured and unstructured data from various sources and formats. The platform allows users to easily create external tables in Azure SQL Database linked to data stored in Hadoop on Azure HDInsight or on-premises with Hortonworks. It also discusses using the platform for scenarios like customer analytics, fraud detection, predictive maintenance and more.