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The Earth is Square discussed an interesting BBC article about tracking mobile phones to track spending and shopping habbits.
From the BBC article: “Mobiles are assigned a temporary anonymous number by the network called a temporary mobile subscriber identity, or TMSI, which the phone periodically transmits to advise of its location. […] By contrast, depending on how many of their detectors they place in a given space, FootPath’s tracking can be done to a precision of about a metre or two.”
From the PI website: “These units calculate the movement of consumers without trequiring the shopper to wear or carry any special equipment.”
From the EiS: “But there are good sides to this technology and use. The system could also be useful for researching the layout of train stations, airports, shopping centers, etc. This system ould also be used to find contraband phones in jails and prisons.”
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