How old are you?

How old are you“How old are you?” All of us have wondered about the age of someone we’ve met, but asking this question can be awkward, even during a one-to-one conversation. Making public the ages of hundreds of people in a meeting room — well, that’s even more awkward! Body voting (aka human spectrograms) can uncover this information in a few minutes, but because age can be a sensitive subject, I’ve always demurred requests to have participants line up by age at a meeting.

Until last week.

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