My wife and I read that same article yesterday. Actually, she was reading it to me, and I kept asking her to skip ahead to the results. I was certain that nobody would stop. It's morning rush hour. People have to be at work on time. It has happened to me many times. You come up the escalator and hear some nice music. You enjoy it as you go by, and you continue on your way.
How many people would stop? "Hey boss. Sorry I'm 45 minutes late. I just heard some pretty music and had to stop to listen." Nobody.
If they did this "test" during the middle of the day when tourists are around, or on the weekend, there would be a huge crowd.
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