havent heard myweb before.. i will check it out.

this are the best social networking sites
Digg , Delicious , Reddit , Stumble upon, squidoo

reddit, Delicious, Stumble upon, squidoo, Digg, Facebook, G+, Twitter

Digg , Delicious , Reddit , Stumble upon, squidoo, and many more are there.. google it for more...

Facebook,Twitter,G+,Reddit..

Twitter, Google plus, Facebook, Reddit, So much, Delicious, Etc...

facebook,Digg,Stumbleupon,Google+,Twitter,Tumblr.. ...

Facebook,Twitter, LinkedIn ,Myspace ,Likes ,Tumbler ,Pinterest .

As per my point of view top 5 social networking sites are:
1) Stumbleupon
2) Delicious
3) Digg
4) Reddit
5) Facebook

Facebook,Twitter,Google +,Linkedin,Tumblr

1. Stumble Upon
2. Digg
3. Delicious
4. Folked

Facebook
LinkedIn
Hi5
Google +
Twitter
Pinterest
Flickr

a platform to build social networks or social relations among people who share interests, activities, backgrounds or real-life connections

Here are the latest SN sites.

1. Social.company
2. Socialmunch UK
3. Kiwibox
4. Socialphy
5. Nearbyfeed
6. Mydailyflog

LinkedIn, Twitter, Facebook, Diigo, Tumblr, Google Plus, Flickr.