"This method is particularly useful for flash memory which has the characteristic of not being able to overwrite data in memory without first erasing previously recorded data."

Reminds me of my old data-base course describing the difference between tape-drives vs the then new expanding HDDs... that was in 1986 - winchester was the rave. but I said that before on this same subject per 445 countles time here over the years.

Gob Bless all those in harms-way

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