Other Popular Social Bookmarking Sites
1. www.digg.com
A social bookmarking news site-share stories, sites, video clips, etc
**Democratic news: Non-hierarchal editorial control. You can submit your own stories and post it to your own homepage.
Features: Bookmarks
Podcasts
Recommendations
Blogs
RSS Feed
Email
Block
More information: http://computer.howstuffworks.com/digg.htm
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2. www.slashdot.org
Motto: "News for nerds. Stuff that matters."
Social bookmarking for science, science fiction and technology gurus. User submitted stories, edited evaluations and current affairs with a nerdy slant

** Moderation system-articles are scored by semi-randomly selected moderators. All articles are given the same starting score
** "Karma Points"/ "Karma Whores"

Features: Manglish
News articles
Apple
Ask Slashdot
Backslash
Books
Game
Idle
Interview
News
Politics
Your Rights Online


More information: www.en.wikipedia.org/wiki/Slashdot
www.features.slashdot.org

3. www.stumbleupon.com
A social database site
**Allows users to rate sites so when you search for topics, you will get better search results
Features: Stumble Upon Button
Channel
Search Engine
Stumble Button
Thumbs up/down Button
http://computer.howstuffworks.com/stumbleupon.htm