... the typical new American single-family home has become surprisingly luxurious, if not quite so swank as Manhattan’s glassy spires. Newly built houses in the U.S. are among the largest in the world, and their size-per-resident has nearly doubled in the past 50 years. And the bathrooms have multiplied. In the early ’70s, 40 percent of new single-family houses had 1.5 bathrooms or fewer; today, just 4 percent do. The mansions of the ’70s would be the typical new homes…
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