When Sales Are Made in a Local Walmart, the Sales

Multiple Choice

When sales are made in a local Walmart, the sales data is sent to Walmart headquarters where the data are used to build a picture of the buying habits of people who shop at individual Walmarts across the nation. The use of ________ makes this possible.

A) a POS system
B) proximity marketing
C) e-fencing
D) digital wallets
E) a beacon