On October 7, Nextdoor announced Neighborhood Intelligence, an AI-powered advertising engine built on a graph of 350,000 verified neighborhoods and now available on request to U.S. advertisers. In ZIP codes where Nextdoor has coverage, the company says there are about 12 distinct neighborhoods ton average, each with different conversations, household signals and local conditions. The decision that changes is not simply where to target an ad, but whether one message should sti