"The spread of the footage from attacks that left 49 people dead provides the latest illustration of how digital platforms that enable anyone with a smartphone to instantaneously reach an audience of millions can be wielded by terrorist and hate groups. It's prompting immediate scrutiny of available safeguards and how readily they can be deployed. 'Reports say Facebook needed 17 minutes to remove the livestream. It is now emerging that the video is still circulating online, said David Ibsen, director of the international advocacy group Counter Extremism Project. 'The technology to prevent this happening is available. Social media firms have made a decision not to invest in adopting it.'"