Java Jacket Is a Company That Designs and Prints Ads

Java Jacket is a company that designs and prints ads on the paper jackets that go around hot coffee cups sold in coffee shops. To find clients to advertise on the coffee cup jackets, the company sent a representative to companies like The Wall Street Journal to tell them how their ads on coffee cup jackets would give them inexpensive exposure to a large number of potential customers. How can Java Jacket's activities best be described?

A) as mass communication
B) as implicit communication
C) as personal selling
D) as relationship selling