Which statement about social networking sites is true?

It can be a profitable way to spend your time online.

It is always safe to play game apps within the SNS.

Privacy is automatically protected by the site host.

It's wise to be cautious about posting personal information.

The statement about social networking sites that can be true is that "i t’s wise to be cautious about posting personal information." Posting anything in social media can be a dangerous and cautious way because you are exposing your identity to other people. It is in the web where a lot of people has the capacity to see it.