A tweet from Twitterverse:
RT @C___CS@twitter.com
Case in point— altho we don’t quite know what happened w the #facebookdown it is likely at least partially an internet infrastructure problem that has led to #instagram #whatsappdown & other content being unavailable 👇🏻👇🏻 https://twitter.com/c___cs/status/1444927687554965504
A tweet from Twitterverse:
It seems to be their Internet Infrastructure, not the Internet Infrastructure.
If you blow the fuses of your mains it is a problem with your electricity not the electricity.
That said, because they generate a lot of traffic an unexpected failure mode might have caused ripples.