【科技世界】網絡追踪

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

只要開著手機或上網，就有機會被人追踪到我們身處何方。有誰有興趣追踪我們呢？可以避免被追踪嗎？請聽科技專業人士羅徵永先生講解。

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