What caused FB, Instagram, WhatsApp, Oculus, and more to be down for over 6 hours

What caused FB, Instagram, WhatsApp, Oculus, and more to be down for over 6 hours

So what exactly caused FB, Instagram, WhatsApp, Oculus, and more to be down for over 6 hours this week? (October 4, 2021) I got curious and went on a small journey to find out, here’s what I found. There are some technical terms we first need to explain to get out of the way. So…