FaceBook, MySpace, Twitter and YouTube are definitely the top dogs when it comes to social networks, but it didn’t start there. There are hundreds of social networks on the internet. Some are very broad, like hi5 and Orkut, while others are very specific like Model Mayhem. Here are 3 social networks you should definitely know about:

1. hi5. hi5 is just like MySpace and FaceBook. It is catered towards teenagers and young adults and is very user friendly and safe. hi5 has been around just as long as MySpace has been around, and has millions of members. It is great for networking amongst friends and colleagues.
2. SoundClick. SoundClick is for musicians and you can upload and sell your music. It’s great for musicians who are trying to make their buzz bigger by allowing fans to hear all of their music. There is no upload limit, so you can just upload as many songs as you wish. It’s also a great place for listeners to find new music. SoundClick has charts, broken down to every niche genre, so you can find all the new music you want to.
3. LinkedIn. LinkedIn is a social network catered to business professionals for networking. This is great for entrepreneurs and professionals who are looking for like-minded people to conduct business with. Whether you want to start a business, want consultation, or want to find a trading partner, LinkedIn is definitely the site you should be on if you are in business.

There are so many social networks popping up everyday. Ning.com allows users to create their own social networks on topics which they choose. Odds are that if you have an idea of a social network you would like to join, there is one available out there. A simple Google search should help you find it!