strange. Normally in this century - something like this dont happen - servers are auto-scaled - micro services used - to ensure outage like this doesnt happen. Ideally you should have one thing not working - not the whole of it. Leave alone three ecosystems.
But there is always one single fault line.
What is appear is zuckerberg has tried to run a tight ship and tighly coupled all the threes - it's pure madness.
Lots of people will get fired.
This an opportunity for some other app to rise and challenge fb dominance. Whatever has happened with fb and her sister companies is really serious.
What do you think,happened?