However, quantum computers have their own challenges and wouldn't be suitable for all computing tasks, but they could reshape the way we think of computing power.

然而，量子计算机有它们领域自己的挑战，不可能适合所有的运算任务，但是，它们能改变我们对计算能力的思考方式。

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It is not just their tennis shoes and computers that are conquering the globe but, increasingly, their software and services, and indeed their capital.

不仅是网球鞋和电脑征服了世界，这些国家提供的软件和服务也与日俱增，当然还有他们的资本。

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Choking off supply is an effective way to eventually force the issue.Companies have been slower to upgrade their PCs than in the past, but computers eventually go the way of all mechanical things.

停止供应是有效的方法，企业们升级的速度已经减慢许多，但是电脑总是要更新换代的。

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But their computers cannot speak to each other, and they offer far less choice than, for example, the much-admired health plan for civilian federal employees.

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The innovators and entrepreneurs currently working for multinational companies may do well to turn their attention to the several billions of people who lack many fundamental services but hold powerful computers in their hands.

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For a glimpse of a brighter future look at Denmark, where the biggest cable company not only allows subscribers to watch some television on their computers but also allows non-subscribers to pay a monthly fee to watch some of its programmes online.

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