How today top retailers use big data to gain a competitive advantage? In US, BestMart wants to become the sales leader for video games in hot season. The big data he used combines enterprise data with other relevant information like web browsing patterns in their store, Social Media Sentiment, Gaming Industry Advertising Buys, etc. He uses these data to predict trends and prepare for future demand. Best Mart also use big data to predict the area where demand would be greatest so that the stores can stock up and deliver the right no. of games to the right channels.