As you remember from our post: “Introduction to Social Media. What is Social Media Networking?” – Social media is a set of tools that allows the audience create content and communicate among themselves.

A few examples: blogs, message boards or groups (like Google Groups or Yahoo Groups), commenting, ranking and sharing tools like you find on many news sites, blogs and operations like Digg social bookmarking and sharing tools like Delicious or Mixx user-generated content sites like YouTube and Flickr group instant messaging like Twitter live community chats, as standalone or complements to broadcasts platforms like Facebook and LinkedIn where people can create profiles, share content, create groups and interact in many other ways.

Read more about social media networking...

What are the Most Popular Social Networking Websites?

 1 | facebook
2 – eBizMBA Rank | 250,000,000 – Estimated Unique Monthly Visitors | 2 – Compete Rank | 2 – Quantcast Rank | 2 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010

 2 | MySpace
16 – eBizMBA Rank | 122,000,000 – Estimated Unique Monthly Visitors | 16 – Compete Rank | 16 – Quantcast Rank | 17 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010

 3 | twitter
27 – eBizMBA Rank | 80,500,000 – Estimated Unique Monthly Visitors | 39 – Compete Rank | 31 – Quantcast Rank | 11 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010

 4 | Linkedin
47 – eBizMBA Rank | 50,000,000 – Estimated Unique Monthly Visitors | 61 – Compete Rank | 50 – Quantcast Rank | 29 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010

 5 | Ning
143 – eBizMBA Rank | 42,000,000 – Estimated Unique Monthly Visitors | 180 – Compete Rank | 120 – Quantcast Rank | 128 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010 | eBizMBA

 6 | Tagged
225 – eBizMBA Rank | 30,000,000 – Estimated Unique Monthly Visitors | 382 – Compete Rank | 151 – Quantcast Rank | 141 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010

 7 | classmates
228 – eBizMBA Rank | 29,000,000 – Estimated Unique Monthly Visitors | 487 – Compete Rank | *425* – Quantcast Rank | 969 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010 | eBizMBA

 8 | hi5
479 – eBizMBA Rank | 27,000,000 – Estimated Unique Monthly Visitors | 983 – Compete Rank | 392 – Quantcast Rank | 62 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010 | eBizMBA

 9 | myyearbook
617 – eBizMBA Rank | 12,000,000 – Estimated Unique Monthly Visitors | 522 – Compete Rank | 293 – Quantcast Rank | 1,036 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010 | eBizMBA

 10 | Meetup
635 – eBizMBA Rank | 8,000,000 – Estimated Unique Monthly Visitors | 644 – Compete Rank | 732 – Quantcast Rank | 528 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010 | eBizMBA

 11 | bebo
655 – eBizMBA Rank | 7,000,000 – Estimated Unique Monthly Visitors | 944 – Compete Rank | 434 – Quantcast Rank | 588 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010 | eBizMBA

 12 | mylife
865 – eBizMBA Rank | 6,000,000 – Estimated Unique Monthly Visitors | 118 – Compete Rank | 688 – Quantcast Rank | 1,789 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010 | eBizMBA

 13 | friendster
955 – eBizMBA Rank | 5,000,000 – Estimated Unique Monthly Visitors | 1,920 – Compete Rank | 643 – Quantcast Rank | 301 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010 | eBizMBA

 14 | myHeritage
1,097 – eBizMBA Rank | 4,800,000 – Estimated Unique Monthly Visitors | 707 – Compete Rank | 595 – Quantcast Rank | 1,989 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010 | eBizMBA

 15 | Multiply
1,136 – eBizMBA Rank | 4,600,000 – Estimated Unique Monthly Visitors | 2,446 – Compete Rank | 677 – Quantcast Rank | 285 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010 | eBizMBA

 16 | orkut
1,303 – eBizMBA Rank | 4,500,000 – Estimated Unique Monthly Visitors | 2,219 – Compete Rank | *1,630* – Quantcast Rank | 59 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010 | eBizMBA

 17 | badoo
1,329 – eBizMBA Rank | 4,400,000 – Estimated Unique Monthly Visitors | 3,187 – Compete Rank | *650* – Quantcast Rank | 152 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010 | eBizMBA

 18 | gaiaonline
1,334 – eBizMBA Rank | 4,350,000 – Estimated Unique Monthly Visitors | 1,781 – Compete Rank | 733 – Quantcast Rank | 1,489 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010 | eBizMBA

 19 | BlackPlanet
1,952 – eBizMBA Rank | 4,000,000 – Estimated Unique Monthly Visitors | 1,322 – Compete Rank | *1,721* – Quantcast Rank | 2,814 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010 | eBizMBA

 20 | SkyRock
2,866 – eBizMBA Rank | 3,000,000 – Estimated Unique Monthly Visitors | 7,380 – Compete Rank | *980* – Quantcast Rank | 237 – Alexa Rank.
Most Popular Social Networking Websitess | Updated 7/01/2010 | eBizMBA