The document discusses big data and social media. It defines big data as large and complex data sets that are difficult to process using traditional tools. Social media is described as means of interaction where people create, share and exchange information in online communities. The document then outlines BAE Systems Detica's big data approach, including collecting data from various sources, storing and processing it, and applying analytics for applications such as fraud detection, cyber monitoring, and competitor analysis. Industries like finance, communications, media and business are highlighted. Contact details are provided to learn more about Detica's big data and social media monitoring capabilities.