public static void MarkAsRemovedBookmark(String bookID, String pageID)
        {
            Bookmark bookmark = GetBookmark(bookID, pageID);

            if (bookmark != null)
            {
                bookmark.Removed     = true;
                bookmark.ModifiedUtc = DateTime.UtcNow;
                BookmarksDataAccessor.UpdateBookmark(bookmark);
            }
        }
 public static void UpdateBookmark(Bookmark bookmark)
 {
     BookmarksDataAccessor.UpdateBookmark(bookmark);
 }