Which of the Following Is Not a Reason for Advertising

Which of the following is not a reason for advertising online?

A) 90% of young adults (ages 18 to 29) engage in social media (which places them online) .
B) The average consumer spends more time online than watching TV and reading print media combined.
C) Companies can collect personal information from those using their websites and possibly sell this information to others
D) By capturing information on customers shopping online,marketers can send relevant ads that match a customer's shopping habits.