References

1. “Marketing Tools”Aug 2002, Art Dacor USA LLC.
http://www.mikes-marketing-tools.com/ranking-reports/
2. “Link Popularity tool” 2005, Direct traffic.org
http://www.directtraffic.org/Direct_Link_Popularity_tool/Traffic_ranking_check.htm
3. “Google-watch” August 2002, Public Information Research, Inc
<http://www.google-watch.org/pagerank.html>
4. “Marketleap – Acxiom Digital”1999, Marketleap.com, Inc.
<http://www.marketleap.com/siteindex/>
5. “Free marketing tool” 2007, The PC Edge, Inc.
<http://www.linkpopularity.com/ >