A social network is a social structure made of individuals (or organizations) called "nodes," which are tied (connected) by one or more specific types of interdependency, such as friendship, kinship, common interest, financial exchange, dislike, sexual relationships, or relationships of beliefs, knowledge or prestige.As you aware social networking is a powerful medium on this decade and definitely forever. It has transformed several advanced stages and here is the some of the popular sites and its brief
The concept actually started in 1999 on internet, Blogs and email are the originators of this new trend of social networking,
There are n-number of sites, here is the popular and unique netwirking sites
LinkedIn - Business and professional networking - Jeff Weiner(CEO)
Facebook - General - Mark Zuckerberg(CEO)
Orkut - General (Popular in India and Brazil) - Google - Eric E. Schmidt(CEO)
Badoo - General (Popular in Europe and Latin America) - Cyprus
Bigadda - Indian Social Networking Site - Reliance Entertainment
Blogster - Blogging
Buzznet - Music and pop-culture - Tyler Goldman (CEO)
CafeMom - to moms and moms-to-be - Michael Sanchez (CEO)
Classmates.com - School, college, work and the military - Michael Schutzler
Flickr - Photo sharing, commenting, photography related networking, worldwide - Stewart Butterfield (CEO)
Eons.com - For baby boomers - Jeffrey C. Taylor (CEO)
Epernicus - For research scientists - Eric Silberstein (CEO)
Disaboom - People with disabilities - J.W. Roth (CEO)
BlackPlanet - African-Americans - Omar Waslow (CEO)
Athlinks - Running, Swimming
Exploroo - Travel Social Networking - Frank Guerra (CEO)
Flixster - Movies - Joe Greenstein
Ibibo - Talent based social networking site that allows to promote one's self and also discover new talent - Ashish Kashyap(CEO)
MouthShut.com - social media, consumer reviews - Faisal Farooqui(CEO)
MySpace - Only HTML based site - Owen Van Natta(EX-CEO as of Feb 2010)
Plaxo - Aggregator - Ben Golub(CEO)
Raptr - Video games - Dennis Fong aka Thresh(CEO)
Ryze - Business - Adrian Scott (CEO)
StumbleUpon - Stumble through websites that match your selected interests - Garrett Camp(CEO)
Twitter - General. Micro-blogging, RSS, updates - Evan Williams (CEO)
Vampirefreaks.com - Gothic and industrial subculture
WAYN - Travel and lifestyle - Peter Ward (CEO)
WeeWorld - Teenagers - 10 to 17 - Celia Francis (CEO)
Windows Live Spaces - Blogging (formerly MSN Spaces) - Mocrosoft
XING - Business primarily Europe - Stefan Gross-Selbeck (CEO)
Bebo(Blog early, blog often) - General - Michael Birch (CEO)
Friendster - Search for old friends - Richard Kimber (CEO)
hi5 - Social Entertainment - Bill Gossman (CEO)
PerfSpot - General - Hart Cunningham (CEO)
Yahoo! 360 - personal communication portal operated by Yahoo! - Carol Bartz (CEO)
Zorpia - share unlimited photos, post journals and make friends - Jeffrey Ng (CEO)
Netlog(formerly known as Facebox and Bingbox) - General - Lorenz Bogaert (CEO)
YouTube - video-sharing website - Chad Hurley (CEO)
There are much number of Social Networking sites which is created on daily basis..........................
Happy Networking, ppl to ppl makes difference & knowledge
Cheers.............
