You could be right.  Here's a quick order of magnitude estimate for that.  
Given:

300,000,000 Microsoft Computers in the world with an average
8 hour run time
crash once in 3 days
5 minutes down per crash, we have

a 5/(8x60)/3 = 0.0035 chance that any given computer will be down at any 
minute of the day.  That does not sound bad, does it?

Multiplied by all the computers there are in the world, you have about one 
million computers crashed at any time.  Ouch, that sounds bad.

Given the 30 day uptime that Steve Ballmer called "insane", you still have 
100,000 computers crashed at any one time.   That can be more than 
compensated for when you extend the duration of the crash to the 20 minutes 
on average it takes to recover your work.  

That was quick.  Anyone see mistakes?  If not, we can conclude that random 
chance crashes are a continuous dissaster, larger than that 60,000 desktop 
work shortage.  We can also conclude that a 80,000 desktop organization will 
lose

80,000 x 1/3 * 20 = 533,333 minutes or 8900 hours of work each day.
 

On Tuesday 30 November 2004 11:01 am, Shannon Roddy wrote:
> Maybe the biggest crash within one organization, etc. but I would
> wager that there have been far more simultaneous blue screens just by
> random chance around the world.  I know I have gotten several in one
> day before.

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