Augmented reality, in which technology shows us extra information as we make our way through the world, might be a cool concept but so far it’s kind of a dud, since the biggest impact has been “Pokemon Go.”

Is finding invisible monsters in the street with a smartphone camera the best that augmented reality can do? Not if the augmentation is audio rather than video – as I found at a demonstration of a new service at Manchester airport called Aira which lets smartphones, or smart glasses, act as eyes for a blind person.

You can read my column by clicking right here.

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