Facebook warns that it can’t fully solve the toxic content problem

Facebook Inc. is under pressure to rid its site of hate speech and fake news but warned it can’t build a platform impervious to human nature.“This is not a fully solvable problem,” Carolyn Everson, a vice president responsible for marketing at the social media giant, said on a panel Tuesday at the Cannes Lions advertising festival in the south of France. “There are some bad parts of humanity, and the platforms are a reflection of that.”Tech companies like Facebook,