1. Tsu
Start Getting Rewarded for Being Social
Tsu aims to tip social networking back to a YouTube model in which content creators are rewarded with a share of the revenue that they generate.
2. InterNations
The Community for Expats to Connect and Network If you're an expatriate, or plan to be one at some point in your life, InterNations.org is a social network that you should be a part of.
3. Muut
Create Your Own Discussion Groups
Muut is a fun discussion- and forum-orientated site that allows you to easily create your own online community of friends, family members, or associates. Forums are easy to set up, join, and manage.
4. LinkedIn
A Site to Create a Professional Profile
LinkedIn is a site that focuses on creating profiles for professionals. It is a great social networking website to build business and employment relations, featuring over 170 million registered users in over 190 countries.
5. Google+
The Latest Social Site
Google+ is one of the newest additions to the social networking industry. Google refers to Google+ as a social "layer" rather than a social networking site, due to its integration with a number of other Google properties.
6. MySpace
The Original Social Networking Site
MySpace went live a year before Facebook. Founded in 2003, MySpace has changed hands several times. The website now focuses primarily on musicians, artists, and filmmaker pages but does still welcome personal pages. MySpace even offers Facebook integration now and all of the features that you would expect from a web 2.0 social networking website: customizable profiles, blogs, and a variety of multimedia options.
7. Friendster
A Site Filled With Games
Friendster is a popular site that is mostly made up of members from Asian countries. The website was originally social-focused, but now has incorporated a number of games and prizes (which has proven very successful).