Web Address: http://www.pearltrees.com/Social bookmarking has been around for quite a while, and it can be a wonderful resources, but it isn't always very pretty. That's why Visual Bookmarking has become the latest and greatest. Sites like Pinterest allow users to use the images of their favorite things to keep track of and share those things with their friends. The latest site that I have found allows you to go a couple of steps beyond regular visual bookmarking and social bookmarking.
PearlTrees allows you to create Trees around a topic with various Pearls as the leaves. The Pearls can be web pages, images, or notes. These can then be connected further. This gives us the Visual bookmarking but what takes it beyond the other visual bookmarking tools is the ability to group and organize the Pearls. Essentially you get a tree which organizes your thoughts. It's a Mind Map. Socially, you can share, tweet, and embed these PearlTrees but where PearlTrees went beyond in Visual bookmarking it also goes beyond in Social Bookmarking. You can view the PearlTrees of others and then add items back to yours by "picking" a pearl.