This document discusses IBM's use of Apache Spark technology. It provides an overview of IBM's Spark Technology Center and examples of how customers are leveraging Apache Spark and open source analytics. Specifically, it describes how The Weather Company uses Spark for efficient batch and streaming analysis of large volumes of weather data, and how a healthcare enterprise uses Spark on IBM's SystemML for predictive risk modeling from clinical data lakes. It also outlines how one customer uses Spark to analyze customer experience data across multiple channels to improve satisfaction rates.