Nextdoor

Nextdoor is a hyperlocal social networking service for neighborhoods. The company was founded in 2008 and is based in San Francisco, California. Nextdoor launched in the United States in October 2011, and is currently available in 11 countries. Users of Nextdoor are required to submit their real names and addresses to the website; posts made to the website are available only to other Nextdoor members living in the same neighborhood.