'"You may have been exposed to harmful extremist content recently. Violent groups try to manipulate your anger and disappointment. You can take action now to protect yourself and others. Get support from experts. Spot the signs, understand the dangers of extremism and hear from people who escaped violent groups," one warning states.
"Are you concerned that someone you know is becoming an extremist? We care about preventing extremism on Facebook. Others in your situation have received confidential support," another says. "How you can help: Hear stories and get advice from people who escaped violent extremist groups." ...'