This document provides an overview of WSO2 and their offerings for building big data solutions. WSO2 provides open source components for building complete cloud platforms and is recognized as a leader in application infrastructure by Gartner and Forrester. They discuss the challenges of big data due to the large volumes and speeds at which data is generated today. WSO2's products like BAM and CEP help customers address the full data lifecycle from collection, storage, processing to analytics for big data use cases. The document outlines an example big data architecture implemented using WSO2 components along with other technologies like Cassandra.