itunes sharing tips by rigor:
iTunes sharing for iOS devices and itunes ( computers )
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click on file
home sharing
type itunes account on server and iOS devices
pros
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the only way to share itunes library to an iOS device
cons
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you only have 5 computer authorizations
itunes sharing for computers only ( some mac heads think this is "obsolete" or "legacy" they are wrong
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click on itunes
click on preferences
click on sharing
clck on "share my library on my local network"
cons
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does not work on iOS devices
pros
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omg
if your music has no DRM, like if its your own personal Mp3s or ITunes plus songs, computers running iTunes, don't even need to be authorized, they don't even need to be signed on to apple.com at all , go ahead run 100 computers all running itunes all over your home and work , and they will all work fine and it won't cost you any authorizations , because the music your playing isn't DRM
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what happens if two computers want to access the asme library?
nothing, it works fine
which itunes sharing method should i use ?
BOTH
you can use BOTH SIMULTANEOUSLY
do i need to buy an itunes server?
probably not. unless you want to use a nas that supports RAID to keep your music safe.. the itunes server will just use the legacy mode, that is already in itunes
i hope they never remove sharing from iTunes preferences. it the greatest iOS feature since sliced bread
the more people talk about sharing in iTunes preferences being legacy or old , is more of a chance apple will remove this awesome feature