为了给这种书的未来（发展）提供思路，让我们看一些技术变革的例子，看看旧技术发生了什么改变。

For clues to the book's future, let's look at some examples of technological change and see what happened to the old technology.

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退后一些，看看发生了什么。

Stand back and see what happens.

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这里我们将看看在并非如此野蛮的黑暗世纪里，那个充满着折磨和审判的世界里到底发生了些什么。

Here we shed a little light on the not-so-barbaric Dark Ages, and what really went on in the worlds of torture and justice.

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