Social networks present an enormous opportunity — maybe the biggest in tech since e-mail. The sites have simplified and amplified connections between people online, creating a thriving ecosystem of small programs that let friends interact through games, greetings, video clips and more. It is also a popular channel to promote your web pages, products or services.

I have compiled a list of top popular social networking websites. You could sign up and start to create your social networking page. Remember, if you try to use social networks by just signing up and sending bulletins and emails to people, you’re missing the point entirely. If you don’t have a profile that’s the first thing people notice. You’ve already ruined your credibility and made yourself look like a scammer. Anyone who doesn’t take the time to at least set up a simple bio page has nothing to present.

social_facebook
1 | facebook.com
280,434,829 – Inbound Links | 91,054,535 – Compete Monthly Visitors | 83,400,000 – Quantcast Monthly Visitors | 5 – Alexa Ranking.

social_myspace
2 | MySpace
276,130,806 – Inbound Links | 53,066,785 – Compete Monthly Visitors | 65,700,000 – Quantcast Monthly Visitors | 9 – Alexa Ranking.

social_twitter
3 | twitter
153,750,806 – Inbound Links | 14,031,985 – Compete Monthly Visitors | 15,000,000 – Quantcast Monthly Visitors | 70 – Alexa Ranking.

social_linkedin
4 | LinkedIn.com
29,370,378 – Inbound Links | 11,228,746 – Compete Monthly Visitors | 11,800,000 – Quantcast Monthly Visitors | 113 – Alexa Ranking.

social_classmates
5 | classmates.com
997,666 – Inbound Links | 14,649,224 – Compete Monthly Visitors | 9,600,000 – Quantcast Monthly Visitors | 544 – Alexa Ranking.

social_ning
6 | Ning.com
13,032,000 – Inbound Links | 5,881,943 – Compete Monthly Visitors | 6,800,000 – Quantcast Monthly Visitors | 108 – Alexa Ranking.

social_bebo
7 | Bebo.com
14,368,423 – Inbound Links | 3,120,062 – Compete Monthly Visitors | 5,400,000 – Quantcast Monthly Visitors | 138 – Alexa Ranking.

social_hi5
8 | HI5.com
8,491,287 – Inbound Links | 2,176,014 – Compete Monthly Visitors | 4,100,000 – Quantcast Monthly Visitors | 20 – Alexa Ranking.

social_tagged
9 | Tagged.com
399,111 – Inbound Links | 3,731,972 – Compete Monthly Visitors | 5,100,000 – Quantcast Monthly Visitors | 74 – Alexa Ranking.

social_myyearbook
10 | myyearbook.com
921,983 – Inbound Links | 3,025,772 – Compete Monthly Visitors | 3,800,000 – Quantcast Monthly Visitors | 483 – Alexa Ranking.

social_multiply
11 | Multiply.com
16,629,000 – Inbound Links | 1,442,885 – Compete Monthly Visitors | 4,200,000 – Quantcast Monthly Visitors | 165 – Alexa Ranking.

social_friendster
12 | friendster.com
6,896,127 – Inbound Links | 1,454,029 – Compete Monthly Visitors | 2,400,000 – Quantcast Monthly Visitors | 47 – Alexa Ranking.