Internet Buyers Are Sometimes Surprised to See Online Retailers Using

Internet buyers are sometimes surprised to see online retailers using information about their past purchases to customize promotions targeted to them the next time they visit the retailer's website.The retailer is using the information to:

A) comply with Homeland Security requirements.
B) shift from a general merchandise retailer to a private-label retailer.
C) increase their share of wallet from their best customers.
D) create traffic in their brick-and-mortar stores.
E) all of these.