Social bookmarking is a way for Internet users to store and manage their
favorite online resources. Social bookmarking sites enable users to
share these resources among a network of peers and vote on quality
information and links. Privacy settings allow users to keep
bookmarked sites for their own personal use, or share share them publicly
or among a group of friends. Webmasters can use the
service to publicize their websites on social bookmarking pages.
Delicious is a social bookmarking site that was was founded in 2003 and
acquired by Yahoo in 2005. It features a convenient browser add-on
that allows users to save bookmarks and share them with others in the
Delicious community. Bookmarks can be saved with various levels of
privacy, and tags make it easy to search for relevant favorites from
Sample Delicious page: SeHe
Digg is a news-oriented social bookmarking site that was developed in
2004 and has since become the number one user-submitted news site
worldwide. Users can share articles in relevant categories and vote
submissions up or down. Digg allows for commenting and discussion
on submitted articles, and has an add-on which makes the submission
process nearly seamless.
Diigo is a tech-oriented social bookmarking site which allows users to
create and share bookmarks categorized by topic. Diggo also
features a browser add-on and users have the option of creating a blog
which links to their profile. Launched in 2006, Diigo has
significantly less users than other top social bookmarking sites.
Sample Diigo page: Steveric
StumbleUpon was launched in 2001 as a worldwide collaboration of
user-recommended web pages and multimedia. StumbleUpon aims to
eliminate the hassle of extensive web search by bringing appropriate,
recommended information to the user based upon his or her
interests. Users share their favorite web resources among a network
of friends or like-minded individuals and review and rate content, which
in turn leads to the delivery of more relevant information.