A woman came up to me the other day and asked me for the time. I gave it to her. Then she came back and asked me twice more across the hour, which made me wonder how on earth she didn't have a way to tell time. A watch, a computer, a phone, a reading tablet. But glancing around the cafe I was sitting in, I realized that there were no clocks at all. And it got me thinking about how the function of ...
