The increasing amount of data available to retailers, are giving them quite a sweat, when it comes to extracting the required data from such a large pool. Big data yet again proves to be the savior of the day. Big data helps in segregating consumers, and sending them promotional offers on the basis of their purchasing patterns and location, thus improving 'customer opinion' in the process. It has been observed that customers, now-a-days are increasingly doing online study about their desired product before making the final purchase from offline stores. Big data integrates this data along with the data of actual purchases, including the location of the purchase, to filter the segregation of customers and give them better service. Read more at:

http://channels.theinnovationenterprise.com/articles/using-big-data-to-improve-consumer-sentiment