FIRST WE FIGURE OUT What SOCIAL BOOKMARK IS.
Social Bookmark is a link to the site. Suppose You have for -finding information for you on all site. In Order Not to Clog Your Computer, You Make a Link On the Corresponding Service. IT Looks Like this: You are registered on any Social Bookmark Service You Loved (By Searching for Yandex, You Can Choose, For Example, BeAver -shaped 100 Bookmarks), a dd a link to the articles you need. That, how you need this article return to this service and just its address.