【科技世界】网络追踪

Target customer and human resources (HR) concept, beautiful bokeh in background. Man hold target customer, employee (or another business person) in hand. Source: Getty images

只要开着手机或上网，就有机会被人追踪到我们身处何方。有谁有兴趣追踪我们呢？可以避免被追踪吗？请听科技专业人士罗征永先生讲解。

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