I've never used one for anything. I think part of the appeal was that it worked something like Digg or Reddit - the social aspect. Without the appeal of seeing

I've never used one for anything. I think part of the appeal was that it worked something like Digg or Reddit - the social aspect. Without the appeal of seeing what other people have bookmarked, it would work just as well to maintain my own list on an HTTP server. Then I can access it from anywhere just the same.