Customers use data from Amazon, Google and Facebook to make purchases online, according to a new report from eMarketer.
Amazon has the most customers, followed by Google and then Facebook.
Here are some other notable findings from the report:Amazon has the largest online shopping market, with more than $5.4 trillion in annual online shopping volume, and the top seller, Amazon Prime, has the third-largest customer base.
Google has the second-largest online shopping marketplace, with nearly $2.8 trillion in online shopping volumes.
Facebook has the fourth-largest user base, with 2.3 billion monthly active users, followed closely by Amazon Prime.
Amazon and Google have more than twice the combined revenue of Walmart, the world’s largest retailer, according the report.
More than 80% of people use their data to purchase items online, with Amazon leading with 75%.
More than one-quarter of Amazon’s online shoppers buy from Amazon Prime members.
Google has a majority of its customers who are shopping online, and more than 90% of its online shoppers use their Google+ accounts to shop.
A majority of shoppers say they buy from the Internet, and almost two-thirds say they shop online at least once a month.
More than three-quarters of Amazon shoppers buy at least three times a month, while almost half of Google shoppers buy three or more times a year.