StumbleUpon is one of the available social bookmarking services. Visitors can save their bookmarks online and share them with others.
1 In the list on the WebWidgets tab of the Insert Object dialog box, select Bookmark on Stumbleupon.
2 After you click the pointer, in the Object Properties dialog box, adjust the values in the following parameters: Title, Source URL, and Button Label. Also, with a StumbleUpon bookmark, you can provide keywords.