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" It's 5:22pm you're in the grocery checkout line. Your three-year-old is writhing on the floor, screaming, because you have refused to buy her a Teletubby pinwheel. Your six-year-old is whining, repeatedly, in a voice that could saw through cement, " But mommy, puleeze, puleeze" because you have not bought him the latest " Lunchables," which features, as the four food groups, Cheetos, a Snickers, Cheez Whiz, and Twizzlers. Your teenager, who has not spoken a single word in the past foor days, except, " You've ruined my life," followed by " Everyone else has one," is out in the car, sulking, with the new rap-metal band Piss on the Parentals blasting through the headphones of a Discman. To distract yourself, and to avoid the glares of other shoppers who have already deemed you the worst mother in America, you leaf through People magazine. Inside, Uma thurman gushes " Motherhood is Sexy." Moving on to Good Housekeeping, Vanna White says of her child, " When I hear his cry at six-thirty in the morning, I have a smile on my face, and I'm not an early riser." Another unexpected source of earth-mother wisdom, the newly maternal Pamela Lee, also confides to People, " I just love getting up with him in the middle of the night to feed him or soothe him." Brought back to reality by stereophonic whining, you indeed feel as sexy as Rush Limbaugh in a thong. "
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" A wealth of research confirms the importance of face-to-face contact. One experiment performed by two researchers at the University of Michigan challenged groups of six students to play a game in which everyone could earn money by cooperating. One set of groups met for ten minutes face-to-face to discuss strategy before playing. Another set of groups had thirty minutes for electronic interaction. The groups that met in person cooperated well and earned more money. The groups that had only connected electronically fell apart, as members put their personal gains ahead of the group’s needs. This finding resonates well with many other experiments, which have shown that face-to-face contact leads to more trust, generosity, and cooperation than any other sort of interaction.
The very first experiment in social psychology was conducted by a University of Indiana psychologist who was also an avid bicyclist. He noted that “racing men” believe that “the value of a pace,” or competitor, shaves twenty to thirty seconds off the time of a mile. To rigorously test the value of human proximity, he got forty children to compete at spinning fishing reels to pull a cable. In all cases, the kids were supposed to go as fast as they could, but most of them, especially the slower ones, were much quicker when they were paired with another child. Modern statistical evidence finds that young professionals today work longer hours if they live in a metropolitan area with plenty of competitors in their own occupational niche.
Supermarket checkouts provide a particularly striking example of the power of proximity. As anyone who has been to a grocery store knows, checkout clerks differ wildly in their speed and competence. In one major chain, clerks with differing abilities are more or less randomly shuffled across shifts, which enabled two economists to look at the impact of productive peers. It turns out that the productivity of average clerks rises substantially when there is a star clerk working on their shift, and those same average clerks get worse when their shift is filled with below-average clerks.
Statistical evidence also suggests that electronic interactions and face-to-face interactions support one another; in the language of economics, they’re complements rather than substitutes. Telephone calls are disproportionately made among people who are geographically close, presumably because face-to-face relationships increase the demand for talking over the phone. And when countries become more urban, they engage in more electronic communications. "
― Edward L. Glaeser , Triumph of the City: How Our Greatest Invention Makes Us Richer, Smarter, Greener, Healthier and Happier