Alexandria has been using Look-So-Good cosmetics for several years and wouldn't consider changing. Alexandria likes the cosmetics so much she's become and advocate for the cosmetic company. She tells everyone about the features and benefits of Look-So-Good products, and encourages them to try the cosmetics. What type of word-of-mouth marketing is Alexandria using?
A. Shill marketing
B. Mobile marketing
C. Organic marketing
D. Virtual marketing
