Sharing or shaming? Tracking homelessness on social media

NEW YORK (AP) — On an app, pins on a New York City map chart sightings of homelessness, accompanied by photos of people lying on sidewalks, slumped in doorways, sitting on curbs with shopping carts piled high with bags. Hashtags frame the scenes: "NeedsMedicalAid," ''Encampment," ''AggressiveBegging," ''Violent."