This document provides an overview of business intelligence (BI), including definitions, trends, importance, and technologies. It defines BI as enabling fact-based business decisions through aggregating, enriching, and presenting data. Major trends include increased focus on mobile, cloud, social media, and advanced/predictive analytics. Surveys show BI is a top priority. The document discusses data mining, predictive modeling, visualization, and other analytic techniques and how they help with challenges like customer churn prediction and inventory forecasting.