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Shiren · 12-15-2008, 12:26 PM

I think the best format to purchase these days would be epub as it is the IDPF standard and is gaining in popularity. The problem is the DRM. Depending on the drm, you might or might not be able to copy the book on multiple devices. You cannot even be sure if your book will always be readable. If the drm technology doesn't exist in 10 years, you could be stuck with an "un-decryptable" book.

Sony's DRM allows you to copy books on six devices (devices authorized on your Sony account). They can be computers or readers.

Check out this thread:

https://www.mobileread.com/forums/showthread.php?t=33215

12-15-2008, 12:26 PM	#2
Shiren Connoisseur Posts: 70 Karma: 712 Join Date: Dec 2008 Device: Sony PRS-505/iPod Touch	I think the best format to purchase these days would be epub as it is the IDPF standard and is gaining in popularity. The problem is the DRM. Depending on the drm, you might or might not be able to copy the book on multiple devices. You cannot even be sure if your book will always be readable. If the drm technology doesn't exist in 10 years, you could be stuck with an "un-decryptable" book. Sony's DRM allows you to copy books on six devices (devices authorized on your Sony account). They can be computers or readers. Check out this thread: https://www.mobileread.com/forums/showthread.php?t=33215