Will Is a Salesperson for a Small Appliance Store

Will is a salesperson for a small appliance store.In an attempt to locate potential new customers,he decides to poll Facebook visitors;they are entered into a drawing for a gift certificate at the store.Those individuals who complete the poll will receive a phone call from Will about the store's products and current promotions.Will is gaining knowledge of potential customers through

A) personal referrals.
B) marketer-initiated contacts.
C) impersonal referrals.
D) customer-initiated contacts.