Most internet marketers are aware of, and probably use, the Google Toolbar. After all, it has been the only indicator of Google's PageRank number that has been assigned to a given web page. Whether the number is accurate, important, or even updated any more is a matter of debate on the marketing forums. But the only feature that was really worthwhile for more casual surfers, other than being able to use the Google search box directly, was the popup window blocker feature, which oddly enough, is .