Online learning may not appeal to everyone; however, the sheer number of online learning sites suggests that there is at least a strong interest in convenient, portable learning options — many of which are study-at-your-own-pace.For your reference, we’ve selected 50 top learning sites and loosely collected them into the categories you’ll find below.The site lets you connect with old friends and make new ones using a unique user interface.The site boasts users from more than a dozen countries, including the United States, Australia, Canada, Poland, France and Germany. Friendster: Friendster was one of the first Web sites to bring it into mass culture.Once the friendship is confirmed all the people in your friends' Friend Space become part of your network.
Twitter makes it easy to opt into or out of networks.Additionally, you can choose to stop following a specific person's feed. Linked In: Linked In is an online social network for business professionals, which is designed specifically for professional networking, to help them find a job, discover sales leads, connect with potential business partners.Unlike most of the other social networks, Linked In does not focus on making friends or sharing media like photos, videos and music.And people looking to connect with other business-associated contacts usually move to sites like Linked In, but one need to understand that social media is beyond Twitter, Facebook, Linked In and Blogs.After observing and running an analysis on hundreds of Social Networking sites I have listed down 40 most popular social networks across countries. Facebook: To access Facebook.com, you must create an account on the site which is free.