“We are shocked and saddened by the tragedy that took place in Germany today, and our deepest condolences go out to all those affected,” a Twitch spokesperson previously told Gizmodo. “Twitch has a zero-tolerance policy against hateful conduct, and any act of violence is taken extremely seriously. We worked with urgency to remove this content and will permanently suspend any accounts found to be posting or reposting content of this abhorrent act.”

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Multiple countries worldwide and five of the biggest names in tech have committed to fighting violent extremist content online since the Christchurch massacre, but this week’s incident shows just how far this content can spread even when platforms provide a quick response. Megan Squire, a senior fellow with the Center for Analysis of the Radical Right, mapped how the video traveled across Telegram, spreading from just two accounts to more than 15,000 in less than 30 minutes.

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Individual countries and websites have begun taking steps to stymie the spread of this kind of content with moves like legislation to block domains hosting this kind of content or instituting one-strike policies on livestreaming platforms. But when fighting a beast with this many heads, I’m not sure if these kinds of unilateral approaches will make much of a dent. Online virality isn’t limited by geography or platform, so stopping it may take a coalition that isn’t either.