Write the next sentence in the following story.

How to avoid social networking scams
Regulate your privacy settings.
Most social networks, such as facebook, twitter, and instagram, allow you to control who sees your information, photos and posts. To help stay safe, try to limit the amount of people who can see your information to as few as necessary.

Pick your answer from:
(I) Think about who will be seeing the information you post. If your privacy settings are not controlled, you will be giving information about yourself out to anyone with access to the internet..
(II) If your privacy settings are not relaxed, the last thing you want is for your friends and family to find out. You can even block friends and talk in private without your friends knowing..
(III) This is a good strategy if you are trying to avoid someone else. Set your security settings to " what ever " so people cannot see your content..
(IV) Plant an anti-hackers alert in your group or organization. You can actually prevent users from the site from looking at your personal information... The answer should be
(I)