Don't know about the needles, but the poop thing is real in San Francisco: https://www.arcgis.com/apps/View/index.html?appid=b6fab720912642b6aedafdb02a76d2a4 h

Don't know about the needles, but the poop thing is real in San Francisco: https://www.arcgis.com/apps/View/index.html?appid=b6fab720912642b6aedafdb02a76d2a4 https://www.arcgis.com/apps/View/index.html?appid=b6fab72091... (Zoom in on the big icons to see the individual instances reported)