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Communicating That Features Are Disabled

Security gate at entrance of gated community somewhere along Beijing Xin Lu. Calling out feature temporarily disabled through use of a metal box. Whilst it is possible to disable the calling out feature using software this solutions is easy to understand, can be adapted without referring to an authority, doesn't require literacy, and also sends a signal to people in proximity that a feature is not available.

Under what circumstances would a physical mobile phone lock/chastity belt be valid? Apart from disabling calling out, what other features would benefit from this kind of physical solution?

Writing from Lhasa | December 16, 2005 | Permalink