Answer:
C. dealt with online abuse
Explanation:
In 2009-2010, social networking was a new concept, and hackers were just starting to come into pictures. We don't have the smartphone as well then. And people were not so involved in it as well. No one hence thought of stricter security settings, and personal data was not that significant than either. Hence no one stole someone's identity either. However, people have begun to abuse online. And around 1 in 10 social networking users dealt with online abuse. Therefore this is the answer.
