good to have a technical explanation but that seems to be poor design.
If I read you correctly, and I have let's say 999 books installed on any? kindle, then I connect via usb and add just 1 more book, it's then going to check the indexing of the original 999 as well as index the new one.
is that scenario only applicable with usb- let's say I have the same 999 installed books and I now add one new one via wi-fi from amazon cloud or from amazon store, does that then skip all that additional validation ?
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