One Reddit user said in a post they had sent a video of the attack to more than 600 people before having their account temporarily suspended for sharing violent content. One thread on "production values" was devoted to a discussion on whether Tarrant made the best use of body-mounted video cameras or if the video quality could be better for "future performers".
"For a brief period this morning the Mirror website ran some edited footage filmed by the gunman in Christchurch".
Twitter declined to elaborate on its approach to hashing.
The video's spread underscores the challenge for Facebook even after stepping up efforts to keep inappropriate and violent content off its platform. However, Facebook did not comment on why some portion of the original video remain up hours later.
Speaking on LBC he claimed social media platforms had "failed the victims" and "failed in the face of evil". "Platforms can't prevent that, but much more can be done by platforms to prevent such content from gaining a foothold and spreading".
Facebook's spokesman explained it was using "video and audio-matching technology" to try to detect instances of the video being uploaded or shared.
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This included the video's first-person video game aesthetic, and a reference to popular blogger PewDiePie.
The real problem is that the YouTube's system is not built to deal with breaking news events.
According to The Verge, exact re-uploads of the video will be banned by YouTube, but videos that contain clips of the footage have to be sent to human moderators for a review.
A spokesperson said ANZA and the Commercial Communications Council and members would work together on what more ANZA, the Comms Council and their members will work together over the next few days on what more could be done by advertisers, agencies, platform owners and global partners to reduce the chance of this happening again.
"Perhaps when the dollars start to go, you'll get a response", he said.
Critics have also slammed some mainstream media for broadcasting the video, with some United Kingdom tabloids briefly posting excerpts before apparently reconsidering. Hence, the giant tech companies still haven't figured out a way to stop these distort videos from dissemination.
"This is an issue that I will look to be discussing with Facebook", she warned.
"It'll require some time and money, but I think it's something that we should consider", Bossert said.
All of which is to say: Facebook still has some serious explaining to do, and plenty more questions to answer. "You can't pretend that you don't have technology".