Quote:
Originally Posted by 93terp
My bigger issue with the iBooks app - and I'm really interested to see if anyone else has noticed this & can provide an explanation - is this: books in the iTunes library have MUCH smaller file sizes than when loaded on the iPad. For example: Book "A", in iTunes library is 200KB. However, when loaded to my iPad, it is now 1MB.
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Mine are 650MB in iTunes, but almost 2GB on the iPad.
ePub is a zipped format, so my guess would be that the transfer process unzips the files to make processing on the iPad faster.