On October 4, 2021, anyone using Facebook, WhatsApp, and Instagram probably thought there was something wrong with their internet connection or device. Sending apps and liking photos was suddenly no longer possible. Facebook employees couldn’t work, couldn’t access their internal company messages, and also had trouble getting into their workplace because their badges weren’t working. The outage lasted all night, forcing billions of users to find their entertainment elsewhere.
What went wrong?
Around 6:00 PM our time, internet traffic to Facebook, Instagram and WhatsApp came to a standstill and eventually came to a complete standstill. Millions of confused internet users around the world were confronted with unresponsive Facebook feeds, Instagram notifications such as ‘Could not deliver’ and WhatsApp notifications such as ‘Some messages not sent. Facebook, WhatsApp and Instagram all tweeted to be “aware” of the issues and Facebook sincerely apologized for the inconvenience caused.
Soon there were all kinds of rumours about the cause of the problems. On Twitter, it rained messages, for example from
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