Discount Retailer, Target, Has Technology That Can Track Where Customers

Discount retailer, Target, has technology that can track where customers are in the store and send them appropriate notifications through text message that alerts the customer to specials such as sale prices or limited edition products. Target likely does not use this technology because:

A) it does not provide any new marketing opportunities.
B) Target would be forced to raise prices on their products in order to implement the technology.
C) the technology wouldn't provide any benefit to the company or consumers.
D) customers have concerns about the privacy implications that are impacted by this technology.