There's little doubt that products we use everyday, like our cellphones or cars, will increasingly allow for us to be tracked.

我们几乎不会对每天使用的产品有所怀疑像我们的手机或汽车正在越来越让我们成为被跟踪的对象。

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In some states, you may be able to use a device that sends radio signals, allowing stolen cars to be tracked by police.

有些情况下，你可以使用一个装置发射无线电信号，让警察可以追踪被盗的车辆。

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Doris: : Even though it's a peer-to-peer service, the drivers are carefully screened and the cars are tracked. Trust me. This ride will be safe.

桃乐丝：就像这是一个点对点服务，汽车司机会被仔细检查和跟踪。相信我。这将是安全的。

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In other industries sentiment can be tracked about cars, consumer products, pharmaceuticals, airlines, and so on.

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That same night, police squad cars searched for and tracked down three random suspects that matched the descriptions I gave.

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On the instrument panel, a graphic depicted each of the cars around us as a white rectangle and tracked its movement relative to ours.

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