I was prompted by my Firefox 3 browser to upgrade my Stumbleupon Toolbar just now. Has had a couple of more fixes. My constant stuck up of thumbs in the toolbar was solved. So I am relieved! Kudos to SU team of developers and software testers! The update includes the following fixes

Social bookmarking helps in two ways. The first is, you get good incoming traffic which is qualitative. Next is, you get powerful one way backlinks from these bookmarking sites later on which makes the site authority in Google, i.e if the social bookmarking site has dofollow option enabled. The social bookmarking sites that provide highest [...]