Are you in Facebook, Twitter or MySpace? Or maybe, are you in all of them at the same time?

Nowadays, social networks are very extended in our society. Probably you are in some of them or you have a relative or a friend who are in them.

In the following video, you can see a quick and plain explanation about how a social network works and the basic features of social networking websites.

In these kinds of websites you can share information, upload photos, videos or whatever you want with your friend list. Furthermore, people use social networks with the purpose of finding jobs, meeting new people and finding partners. Many people have even located friends, who they didn’t know about them since they were at school or university.

What is more, social networks let you keep in touch with people from all over the world.

But, how  far can your privacy be kept safe? Sometimes, people who you don’t know, or you don’t want that they know about your life, can see your profile or information about you or your family. What I mean, you will never know 100% who is behind the other screen. This video called “Protecting Reputations Online” can help you with this issue, you can find it in the web site Common Craft, where you can also watch other videos related to other social networks, blogging, etc.

Even President Obama gives some advice on how to use social networks:

So, when you use a social network, you should take care with what you publish and the information you share, since your privacy depends on this.

Last, but not least, I leave an interesting link about dating on Facebook. It was published in the site Mashable, The Social Media Guide some days ago. I’m sure you’ll enjoy it. To read it, just click on the heart.

See you at Facebook!