A world where cameras are always on may make us less human

IF EVERY public interaction were filmed, would the world be a better place? Common sense suggests it would, but common sense is an unreliable guide to human behaviour. The law of unintended consequences is often more useful. To some extent, we already live in such a world, with CCTV cameras everywhere and smartphones in every pocket. But the routine filming of everyday life is about to go to the next level.