Del.icio.us

Del.icio.us is a social bookmarking web service. One might say, why do I need del.icio.us if I have bookmarking capabilities built right into my browser? Well, here are some reasons:

• del.icio.us uses a non-hierarchical categorization system, that is, instead of organizing your bookmarks in folders, you assigntags to them. One bookmark can have multiple tags, so it's easier to find what you want.
• You can share bookmarks with others
• You can subscribe to specific tags, which shows you all new sites taggedthermodynamics, for example, in your browser or as an RSS feed.
• Web bookmarks are accessible on any computer.

As an example, all journal articles are online, so you can bookmark an article