What: Del.icio.us is a social bookmarking site.
When: Use Del.icio.us for creating an online collections of your favorite website links. It is easy to manage, save and tag links online. Eliminates the hassle of updating and exporting 'favorites' to other computers or emailing favorites to others.
Why: Del.icio.us allows users to create collections of links that can be used and shared for research purposes, course planning, projects, lectures and support in other educational materials. It can be used to build and develop a learning community on a specific topic, as well as, support professional development needs.
Additional Resources - Using Del.icio.us in Education (list of useful resources for using Del.icio.us) - Video Tutorial using Del.icio.us as a network - The Ultimate Guide to Moving Your Del.icio.us Bookmarks
What: Diigo is a bookmarking tool that allows you to highlight web pages, add sticky notes, archive, organize by tags and lists, and search and access them from anywhere, anytime. In a sense, Diigo lets you bookmark Web sites and have online conversations about them.
When: Students, research groups, committees, staff groups can all use to create group bookmarks, annotations and use the group forum. Faculty can create class groups quickly and easily so students can share resources and ideas.
Why: Diigo has special educator accounts, also. This allows educators to have special privileges, such as setting privacy accounts so that only select educators, staff and students can communicate. There is limited, targeted educational advertising within this account option, too, so users won't be bombarded.
When: Use Pinterest virtually anytime you see something you like that you want to remember, share, or even come back to later.
Why: Pinterest is more than just pictures. Its visual bookmarking you tag in your own style, then share with friends. It’s instant inspiration. It’s like Flickr meets Twitter meets del.icio.us and more! Pinterest makes it fun and simple to virtually collect the things you love and share them with the world. Creating your personal brand has never looked this good.