Social Bookmarking Del.icio.us is a wonderful social bookmarking freeware for you to share your favourite websites to others. Similar to other web 2.0 technology, keyword tagging is applied for easy categorisation and information retrieval. Here is my del.icio.us . People having same interest might group into a community to share their bookmarking, with the function of subscribion and RSS, latest updating can be shared without delay. Here is an example called markazine created by a group of Hong Kong media people.