That the handrail didn’t progress at exactly the same speed as the steps was an observation I owed to my lately acquired habit of standing still and gliding for the entire ride, rather than walking up the steps. I had switched to gliding only after I had been working at the company for about a year. Before taking the job, I had used escalators relatively infrequently, at airports, malls, certain subway exits, and department stores, and on these occasions I had gradually developed strong beliefs as to the proper way to ride them. Your role was to advance at the normal rate you climbed stairs at
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