Shop Cellphones and Real-World Communication

When I recently visited Harvard University, I got lost at a busy crossroad near Harvard Yard, one of academe’s most famous greens. It was 9 a.m., and the street was packed with book-toting students, casually dressed academics, and administrative types in business suits. I was wearing such a suit with a red lapel pin reading “Iowa State University,” clearly labeling me a stranger.

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