But if the aperture is reduced too much, the image may be too dark to be usable.

ECONOMIST: MONITOR

Some would say that Tiger Woods easily makes the lust for life cut, given his off-the-course antics, but despite his all-too-human mess of a personal life, his image is too highly constructed for anybody to discern a human being beneath it.

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All this iPaddery is well and good, but some fashionistas fear that it projects too harsh an image.

ECONOMIST: High-tech fashion