Use of Big Data in e-commerce to solve common problems

Over the last 4 years, revenue from the goods sold via the Internet has doubled. Compare, there were more than 300 million active users on Amazon in 2015. And 183 million people visited Amazon in September 2017 only! 87 million people visited Wal-Mart and 86 million people visited eBay during the same period in 2017. In the third quarter of 2017 PayPal, one of the most trusted online payment gateways, calculated 200 million registered active users in total worldwide.