Importance

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Abstract

A point of sale system including a display subsystem including a viewable display array having multiple controllable display locations being operative to display non-trusted display content and trusted display content and a trusted/non-trusted display content controller operative to govern operation of the display subsystem and thereby to selectably allow a portion of the non-trusted display content from a non-trusted display content source to be viewed, at at least one display location on the viewable display array, which at least one display location is selected by the trusted/non-trusted content controller, without the trusted/non-trusted content controller needing to have knowledge of the non-trusted display content, to be incapable of enabling malicious content, forming part of the non-trusted display content, to be readably displayed, which could lead to unauthorized entry of confidential information by a user.

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First Claim