PUBLIC MARKS from fredbird with tags social & lang:en

Outfoxed uses your network of trusted friends and experts to help you find the good stuff and avoid the bad. (And a lot more, too.)

Simpy is a social bookmarking service. With Simpy, you can save, tag and search your own bookmarks and notes or browse and search other users' links and tags. You can be open and share your links with others, or keep them private. Simpy also helps you find like-minded people, discover new and interesting sites, publish your bookmarks, detect and eliminate link-rot, etc.