The document discusses how big data can help retailers in the apparel industry analyze consumer behavior and trends to improve business strategies. It describes how retailers can use big data to optimize pricing, promotions, inventory, product assortments, store layouts and more. Specifically, big data can help retailers with customer segmentation, cross-selling, analyzing the effectiveness of marketing campaigns, and gaining insights from omnichannel shopping behaviors. Implementing big data analytics allows retailers to better understand customers and adapt to changing preferences and market conditions.