Social citation sites are like other social bookmarking sites, but they offer more information about the sites and resources you tag and other excellent features for academic and research purposes.
link to your OpenURL resolver
Export for bibliographic reference managers
Integration with databases
Support for DOIs and PMIDs
What about Endnote Web for social bookmarking? Shared folders. But read-only access, so not so great for collaboration Limited sharing - only with other Endnote Web users, or export and send them to a friend OpenURL resolver support –requires administrator No RSS Closed environment - Export your bookmarks if you leave your institution Limited search - only across your own references Harder to add citations