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Facebook in constantly changing its privacy settings and policies, so it's important to be on top of your own profile. Do you want to be able to be searched? What do you want non-friends to see? Do you want your boss to see those pictures of you playing beer pong? Should those pictures even be on your page? These are all important questions to ask yourself about your Facebook page. It's important to be responsible for what other people can see about you online. In the end it's your chose what to show on your profile, but be sure to be proud of what's there.
Facebook allows each user to decide how much or little privacy they want. Before you post anything, you can decide who you want to see it: friends, certain groups of people, or a custom selection of people/groups. You can also block people who are harassing or bothering you, and then they cannot see or search for you.
Twitter Privacy Settings
Twitter makes it very easy to keep your profile private. If you protect your tweets, people cannot see them unless you accept a follower request from them. All requests have to be approved first, so you will know who is looking at your tweets. Be careful about accepting strangers because you never know who they may be.
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