In a masterly introduction, Mr Rose suggests that recent developments in cultural and critical theory have obscured, or more accurately ignored, the experience of working-class audiences of books, plays and paintings.

ECONOMIST: Cultural history

What we are left with in the meantime is the dilemma of just how much to extrapolate from recent developments both good and bad in an economy that seems either an unstoppable juggernaut of growth or, well, eminently stoppable, depending on your mood or perspective.

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Equally, your citation of recent Japanese research in the use of prosthetic fingers does little service to the more recent technical developments in biometrics (there are products resistant to these attacks in varying degrees) or to the obvious fact that there is a competitive market out there, where buyers are seeking value for money and fitness for purpose.

ECONOMIST: Securing the knowledge