Giving users a stake in their own data does much to ensure that the data itself is more pertinent, and more organized for those who need it. This notion is integral in retail, which is increasingly reliant on the ability to find users who are spread over many different applications, physical locales, and rungs on the financial ladder. While a few companies can already comprehend the degree of change that their industry is about to experience, like so many asset trading brokers, shoppers too will be caught be caught by surprise when blockchain-based retail services take over their phones, but it will undoubtedly be a delightful one.

Source: How retailers can use Blockchain to get granular | TNW, Andrei Tiburca, November 08, 2017