I honestly wonder how much this is costing them: http://www.google.com/apps/intl/en/terms/sla.html http://www.google.com/apps/intl/en/terms/sla.html How do th

I honestly wonder how much this is costing them: http://www.google.com/apps/intl/en/terms/sla.html http://www.google.com/apps/intl/en/terms/sla.html How do they calculate "Monthly Uptime Percentage"?