Apple's DRM system, called FairPlay, is the most widespread.

苹果的数字版权管理系统叫FairPlay，应用最为广泛。

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The solution was to create a DRM system, which envelopes each song purchased from the iTunes store in special and secretsoftware so that it cannot be played on unauthorized devices.

这种情况促使DRM的产生，它把每一首从iTunes上购买的歌曲用特殊加密的方法打包以至于不能在未授权的设备上播放。

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So if the music companies are selling over90 percent of their music DRM-free, what benefits do they get from selling theremaining small percentage of their music encumbered with a DRM system?

如果一个唱片公司正在销售超过90%的DRM免费音乐，他们能从那部分小比例的受DRM系统保护的音乐中获得什么好处呢？

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The problem with all DRM is that, to date, there has been no DRM system that actually works!

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They could have taken to heart their customers dissatisfaction with their DRM system.

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While Microsoft does license its DRM system--to everyone from Yahoo!

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