Why Does Product Placement Appear to Be Effective in Increasing

Why does product placement appear to be effective in increasing sales of a product?

A) The product becomes associated with something "cool."
B) When a product is shown in a movie, the excitement from the movie is attributed to the product.
C) People's defences are down because they do not realize that someone is trying to influence them.
D) People wish to construct a social identity that matches what they see in movies and on TV.
E) Because people do not find product placement objectionable and are open to being influenced through media.