4. Social bookmarking
Social bookmarking is
a method for Internet
users to store,
organize, search, and
manage bookmarks of
web pages on the
Internet with the help of
tags.
6. a tagis a relevant
keyword or term associated
with or assigned to a piece of
information (like pictures,
articles or video clips), thus
describing the item and
enabling keyword based
classification of
information it is applied to.
Tags
7. Delicious.com
Store your bookmarks online
Tag your bookmarks
Share your bookmarks
Subscribe to bookmarks