Karl Harris, a marketing critic, is concerned about the pervasiveness of marketing. He points out that advertising messages are everywhere, from Web sites and e-mails to unwanted direct mail and catalogs to television commercials and product tie-ins to billboards and store signage. Karl is concerned about ________.

A) high packaging costs
B) cultural pollution
C) deceptive practices
D) false wants and too much materialism
E) the balance between private goods and social goods