Geographic mobility has always been high in the US, but in the past few decades it's gotten insanepic.twitter.com/uoQaURfxYj
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So if it's not interstate geographic mobility simpliciter that's causing people not to know neighbors' names, as Robert Putnam suggested...
...then what killed real community? Putnam blames TV/internet, definitely part of it. Crap urban design & secularization, legal stuff...
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