The terrorist who this month attacked two mosques in Christchurch, murdering 50 worshippers, live-streamed a 17-minute video of the massacre. Within 24 hours, that video had been uploaded 1.5m times on Facebook. It was also uploaded on YouTube at a rate of one video a second.
Facebook and Google, the owner of YouTube, were quick to react once the attack had been flagged. Facebook blocked 1.2m of those videos before they could be viewed, and pulled down the rest. Still, thousands of people saw the footage as it spread to other sites.
In spite of the swift response, the question remains: why on earth do we tolerate technology that can be used to inflame hatred and normalise violence at lightning speed and global scale?
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