How sure are you on Ads being the only money-spinner? Have you seen Google Apps for business with over 2 million users? The Google Search Appliance?<p><a href="http://www.google.com/apps/intl/en/business/index.html" rel="nofollow">http://www.google.com/apps/intl/en/business/index.html</a><p><a href="http://www.google.com/enterprise/search/gsa.html" rel="nofollow">http://www.google.com/enterprise/search/gsa.html</a>