is the most popular networking site and has more than 1 billion of users worldwide. Users can create profiles with photos, personal interests and others information. There are a lot of resources such as private chat, groups and pages. The site enables users to choose their own privacy settings and choose who can see specific parts of their profile.
is a networking website that offers personalized profiles, photos, blogs, groups, music and videos for teenagers and adults. In the comments section of friend's page, the users may leave comments for all viewers to read. MySpace allows users upload images, flash, music and videos to their profiles pages.
is a social networking service which is run by Google. The service states that it was designed to help users meet new friends and maintain existing relationships. In the scrapbook section the users can post comments for their friends including images, music and videos.
is a social networking site with cool features including flash player for audio and video files. Users create an online profile in order to show information such as interests and upload their photos where the friends can post comments. Hi5 also allows the users post images and comments on the friend's pages.