Which of the Following Is a Challenge of Advertising Through

Multiple Choice

Which of the following is a challenge of advertising through online social networks?

A) Users may resent an intrusive marketing communication message.
B) Existing networks are resistant to advertising.
C) Most existing networks are already controlled by major corporations.
D) Virtual worlds will most likely replace social networks in the near future.
E) Measuring the frequency and volume of social network usage is difficult.