Group a web page with tags and lists.
Access all your research anywhere because all your bookmarks are stored online.
Search for a bookmark by a full text search, sticky notes, tags and more.
Share your research with others in multiple ways - send to blog, linkrolls, tagrolls, by email, post to other social bookmarking sites such as Twitter, Facebook, Delicious, etc.
Automatically post findings to your blog with all the comments, highlights, etc.
Easily find the most popular content on Diigo to stay up to date with the hottest news.
Get recommended content based on your activities in Diigo.
Get related content while browsing the Internet - I recently stumbled a website with loads of useful comments from Diigo’s users.
Import bookmarks from other social bookmarking sites to Diigo.
The “Save Elsewhere ” feature allows you to simultaneously bookmark sites to Del.ico.us, Simpy or Ma.gnolia.