Neighbors old and new gathered on Monday to tackle a daunting task, working to clear as much trash as they can out of San Francisco's #Tenderloin neighborhood. @Nextdoor, a company that has recently relocted there, pitched in. #SanFranciscohttps://www.ktvu.com/news/nextdoor-employee-volunteers-join-tenderloin-cleanup-as-company-relocates-headquarters?taid=618a4b58939a930001889e80&utm_campaign=trueanthem&utm_medium=trueanthem&utm_source=twitter …