“Parents and children have flocked to Google-owned YouTube Kids since it was introduced in early 2015. The app’s more than 11 million weekly viewers are drawn in by its seemingly infinite supply of clips, including those from popular shows by Disney and Nickelodeon, and the knowledge that the app is supposed to contain only child-friendly content that has been automatically filtered from the main YouTube site. But the app contains dark corners, too, as videos that are disturbing for children slip past its filters, either by mistake or because bad actors have found ways to fool the YouTube Kids algorithms.” From the NYT: On YouTube Kids, Startling Videos Slip Past Filters