We have provided the following links for further research on the SEM industry:

• Search Engine and Internet Marketing Tips - www.marketingfind.com
• Free Web Page Analyzer - www.webpageanalyzer.com
• PageRank Analyzer - www.pagerank.net
• Alexa Rank Checker - www.alexa.com
• Search Engine Ranking Reports - http://www.mikes-marketing-tools.com/ranking-reports
• Site Submission - www.submitcorner.com
• The Kelsey Group - www.kelseygroup.com
• Search Engine Marketing Professional Organization - www.sempo.org
• Yellow Pages Association - www.ypassociation.org
• Local Search Guide - www.localsearchguide.org