Re: More on the Lower Merion school district webcam debacle

[der Mouse <mouse () rodents-montreal org>]

> > A real low level format involves laying down completely new timing
> > tracks and such, and will destroy all data unless you're willing to
> > open the drive in a cleanroom and look at residual magnetization
> > patterns and the like.
> There is approximately *zero* actual real-world evidence of the "read
> the residuals" actually working on any disk drive less than 15 years
> or so old.

I didn't mean to imply otherwise.  Perhaps I should have added a
parenthetical "(and quite probably not even then)".

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