i am seo beginner i want to know about also social networking . anyone explain me briefly.
Social networking is a way to share some ideas on some networking site like twitter, facebook
A social network service is an online service, platform, or site that focuses on building and reflecting of social networks or social relations among people, e.g., who share interests and/or activities. Some social networking websites are : Academia.edu, Advogato, aNobii, AsianAvenue, Badoo, Facebook, StumbleUpon and many others.
social networking site are the sites whrere you can make friends that are already on the same social site. like: facebook, orkut etc.
Web-based social networking occurs in a variety of websites which allows to share content, interacting with each other and develop communities around similar interests. Refer, Wikipedia which explains the Social Networking Service. Hope it helps you better to knew more about that.
It is nice way to find some friends and drive good quality traffic because you know what people have shard interests.
Examples: Twitter,Facebook
Web base social network is to build your links via social networking site to discuss topics with your queries and give your best opinion for that topic spread your links on web like Facebook, Linkedin,Twitter etc