Facebook auto-generates videos celebrating extremist images

WASHINGTON (AP) — The animated video begins with a photo of the black flags of jihad. Seconds later, it flashes highlights of a year of social media posts: plaques of anti-Semitic verses, talk of retribution and a photo of two men carrying more jihadi flags while they burn the stars and stripes.

It wasn’t produced by extremists; it was created by Facebook. In a clever bit of self-promotion, the social media giant takes a year of a user’s content and auto-generates a celebratory video. In this case, the user called...