Brittany is choosing the type of media for a new promotional campaign for Halls cough drops. She knows that each type of media has both benefits and disadvantages. She is considering the Internet as a form of media. Which of the following is not a disadvantage of the Internet as a promotional medium?A) Costs of precise targeting are high. B) Effects of promotion can be difficult to measure. C) There are concerns about privacy. D) The message must be short and simple. E) There are concerns about security.