This document discusses how big data is transforming business intelligence. It outlines some of the pains of traditional BI, including maintaining large data warehouses and only considering structured data. The document advocates for an open source approach using Hadoop as an "extended data warehouse" to address these issues. Examples of recent Solocal Group projects involving real-time business analytics and a search power selector are provided. Advice is given on how companies can activate big data projects and start the BI transformation.