It is no surprise that social networks are some of the most frequently visited websites on the internet. This also means that the majority of internet users all end up in these central locations, and is great if you are looking to make money. Here are three ways you can make money via social networks:

1. Advertising. Whether on FaceBook, MySpace or whatever (except Twitter), you can make money from advertising. Whether you want to handle advertising for another company, and charge them a fee, or you want to advertise your own services, this is a great way to make money online. FaceBook ads are especially targeted, because they know a lot about their users and target down the demographic to exactly what you are looking for.
2. Developing Apps. Apps are the new craze on social networks. If you are app developer, there are many ways you can make money. One way to do this is to develop apps and place advertising on the app. Whether from Google AdSense or from private advertising, you can make a lot of money from Apps. You can also get your app sponsored if you find the right company, and they can pay you to develop the apps.
3. Lastly, you can sell items on sites like FaceBook. Use FaceBook marketplace to find some junk and sell it. This is the quickest and easiest way to make money using a social network: selling stuff.

If you get creative, there are countless ways to make money using a social network. All you have to keep in mind is to spread the word and get the information out to as many people possible. The more traffic, the more money!