Twitter – Twitter is an online social networking service and micro blogging service that enables its users to read text-based posts of up to 140 characters known as “tweets” .It has a user base of more than 300 millions!
Digg – This is a social site that allows people to vote stories up referred to as digging and otherwise burying.
Stumbleupon - This is a discovery engine that finds and recommends web content to its user. It allows users to discover and rate web pages, photos, videos that beat their tastes and interests.
URL: Stumbleupon.com | Registration: YES | Language: English| Alexa rank: 12 | PR:

Reddit – This is a also a social news where the registered users submit content in the form of either a link or a text post. Other users then rate the submission up or down determining its position on the sites pages.
URL: Reddit.com |Registration: Optional, required to post | Language: Multi-lingual| Alexa rank: | PR:

Pinterest – Pinterest is a a pinboard-style social photo sharing website that allows users to create and manage theme-based image collections such as events, interests, hobbies and more. You may check it out yourself.
URL: Pinterest.com | Registration: Required for full functionality | Language: English | Alexa rank : 54 | PR:

Delicious – Delicious is a social bookmarking web service for storing, sharing, and discovering web bookmarks. It was founded in 2003 and acquired by Yahoo in 2005. By the end of 2008, the site has claimed 5.3 million users and 180 million unique URLs stored
URL: Del.icio.us | Registration: Optional | Language: English | Alexa rank: 413 | PR:

Buzzfeed – This is a ‘trends’ aggregator that uses a web crawler and human editors to find and link to popular stories on the web.
URL: BuzzFeed.com | Registration: | Language: English | Alex rank: | PR:

Fark - Fark is a community site is a community site owned by Drew Curtis that allows members to comment on a daily batch of news articles and other items from various websites
URL: Fark.com | Registration: Required to post| Language: English | Alexa rank: 2310 | PR:

Slashdot – Slashdot is a technology-related news website. The site which bills itself as ‘’News for Nerds. Stuff that matters’’, features user-submitted and evaluated current affairs news stories on science and technology related topics.
URL: Slashdot.org | Registration: Optional | Languages: English, Japanese | Alexa rank: 1,698 | PR:

FriendFeed – FriendFeed is a real-time feed aggregator that consolidates the updates from social media and social networking websites, social bookmarking websites, blogs, and micro-blogging updates, as well as any other type of RSS/ Atom feed. It is possible to use this stream of information to create customized feeds to share, as well as originate new posts- discussions with friends.
URL: FriendFeed.com | Registration: YES| Language: Multi-lingual | Alexa rank: 1,382| PR:

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