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It’s not that we weren’t warned. Five years ago, after spending several weeks abroad, I wrote in this column that I had noticed “how retailing has become much more efficient”. But, I pointed out, it had done so in a manner that indicated “gloomy prospects ahead for workers”.
A couple of years earlier, in one store in London in the UK, I had watched attentive staff guiding the customers in the use of the then recently introduced self-service checkout system.
