Quote:
Originally Posted by pidgeon92
I recall reading years ago that flash memory had a limited number of rewrites. Is this no longer the case?
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Everything has a limited number of rewritings.
When they arrived at computers, the HDDs could bear between 5000 and 20000 writings per sector, something like today's Flash-drives (SSDs). I was very careful back then to use the RAM rather than the HDD in transferring a diskette to another

. A CDRW can be in theory erased 500 times (some claim 1000) but I know no CDRW that broke the two digits barrier

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The point is that storage items are not made to be rewritten. Working memories are made for this. Storage media is generally WORM (write once read many), although tapes, a staple media, can be rewritten.
PS: I would be more worry about the charge-discharge cycles of the battery inside the eReader, in particular when no replacement is foreseen.