which is the top social bookmarking website ?
 

Social Bookmarking is the best tool which can help people finding content on the internet. It is the best way for business owners to build back links to their websites.
1.Digg
Digg is the social bookmarking platform which is related to technology. You can use Digg for submitting content related to other topics also.
2.Reddit
It is another social bookmarking site which is having serious amount of traffic and get you good amount of backlinks to your website.
3.Techpluck
Techpluck.com is the largest tech community in the world. It offers the largest tech discussion forums of everything happening on the internet. In other words it is the frontpage of tech online. We have launched this beta version and regret any inconvenience whatsoever for any bugs or updates that may come your way.
4.Delicious
Delicious can be known as tagging website than a bookmarking site. It can be used for building back links or driving traffic to your webpage.

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I tried out Digg and technewscast. They are good.

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Thanks for sharing an excellent information....