When they kill iTunes what happens to my purchases? I have music tv shows and movies?

When they kill iTunes what happens to my purchases? I have music tv shows and movies?

You lose them. That's why everything went digital. You probably had to re-buy all of your songs a few times anyways. Every time the rights to the songs change hands, you have to buy them again.
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Do you have them saved to you drive, memory chip or to the cloud that kind of matters. If You only saved them to cloud, once you lose the cloud account they're gone. If you save them to an SD card, they're there

Nothing. ITunes is being replaced with separate apps for music and movies. Your purchases will be available in those apps.