Microsoft's Black Tuesday bandwidth impact?

["Frank Bulk" <frnkblk () iname com>]

Every month I look at my upstream bandwidth graphs and I see no blip in the
hours before 3 am on Microsoft's Black Tuesday.  I would think that with the
thousands of PCs out on our network downloading updates around that time
that I would see *something*.  I know every Black Tuesday I see my three
PC's blinking a logon screen.

Are MSFT's monthly updates really a non-event in regards to internet
bandwidth?

Frank