Del.icio.us

I think that Del.icio.us is an excellent tool that enables people to quickly and easily bookmark their page.
I like the way how Del.icio.us works by tagging, and especially the fact that everyone can see what you have bookmarked.
Like what the man had said about Del.icio.us on youtube
http://www.youtube.com/watch?v=x66lV7GOcNU,
making Del.icio.us public is a fantastic idea, as it means that you are sharing your information with everyone else in the world who shares the same interest as you.

Also if you are looking for information on a particular topic, then through tags and user names of other people from Del.icio.us that have bookmarked specific pages from the web, you can find information on the topic that you are researching for, more quickly.
As well as that, you are able to see comments written by other users so this can also become good information.

Therefore, I think that Del.icio.us is useful to know as it comes very handy at times you need it the most.