The document discusses examples of how companies have generated business value from big data. It provides cases of a US retail chain that realized $23 million in annual savings through a Hadoop cluster to optimize data storage. A global media company improved box office yields by rapidly correlating social media with operational data. A pharmaceutical company more effectively identified key opinion leaders among physicians to improve marketing targeting. Overall the document outlines how companies have achieved benefits like cost reduction, new revenue streams, and improved existing revenues through leveraging big data.