Explained | How does Facebook’s AI tool for suicide prevention work? Along with its community operations team, the social media giant has an AI tool that picks up phrases or words that signal distress or trouble in posts as well as comments to alert authorities or get help to the person. January 07, 2021 / 03:19 PM IST On January 3, 2021, a 23-year-old Mumbai youth’s decision to live-stream his suicide on Facebook ended up saving his life. Alerted by a Facebook team in Ireland, the Mumbai Police rushed to his home, pushed open the door and took the unconscious man to the hospital within an hour of the bid.