Mark: So we were talking about collaborating to--collaborating together, and he said to me off-handedly, "Well you know what we should do, we also pull our our social bookmarks together," and I said "What would we be pulling together at that point?" and he proceeded to explain to me social bookmarking--well, actually it's very hard for Jeremy to sit still, so very quickly we were on the computer and his fingers were flying and he pulled up delicious and then he pulled up Diigo and several other tools, and we started talking.