He's confusing clicks with visits, which is probably the largest source of his discrepancy. In a nutshell clicks are a count of times a browser requests a page while visits are unique browser sessions: <a href="http://www.google.com/support/googleanalytics/bin/answer.py?hl=en&#38;answer=57164" rel="nofollow">http://www.google.com/support/googleanalytics/bin/answer.py?...</a>