I got a copy of HBR ’s October edition and like its featured article “Getting Control of BIG DATA”. A is fantastic article giving deep insight in the subject! ...and the credit goes to authors: Andrew , a research scientist and Erik , an MIT professor. Big data is definitely having huge business potential but at the same time poses few business challenges especially from corporate culture's perspective. Here are few bullets of general interest: Why Big Data? …analyzing it leads to better predictions and better predictions yields better decisions. In sector after sector, companies that figure out how to combine domain expertise with data science will pull away from their rivals. Web Fact : 2.5 exabytes of data created daily and this number is doubling each 40 months Retail fact : Walmart collects 2.5 petabytes of data every hour from its customer transactions Case Study (Retail) - Sears : Sears is using Hadoop cluster for data analytics. (personalized promot