The hyperlocal social-media platform highlights small grievances—and proves that neighbors have more in common than they think.

By Ian Bogost for The Atlantic July/August issue, available now online without charge

[.....] Social networks connect people, but many of those connections degrade into vitriol. If Twitter is where you fight with strangers, and Facebook is where you vie with friends, then Nextdoor is where you get annoyed with neighbors—for sending “urgent alerts,” pushed late at night to mobile phones, about questionable emergencies; for trying to sell a tattered massage table or used carpet shampooer at near-retail price; for issuing nasty reprisals on matters large and small. But it can also foster connections among neighbors and help counter the social isolation brought about by technology [....]

Thanks to its popularity, the service offers a unique window into daily life around the country. Nextdoor’s virtual communities—which cover more than 180,000 U.S. neighborhoods, including more than 90 percent of those in the 25 largest cities—are becoming representative of the country’s actual populations [....]