The issue is impacting all of Facebook's apps.
Facebook said through its Twitter account that "we're aware that some people are now having trouble accessing the Facebook family of apps".
On Wednesday's issue, Ms Brooker added on Twitter: "Look at what happens when we let one company control everything".
The outages are mainly in the US, UK, India, Philippines and parts of Latin America.
Lady Gaga Responds to Pregnancy Rumors, Reveals Big News
Rumours of Lady Gaga and Bradley Cooper dating have been doing the rounds for quite some time now, thanks to their scintillating chemistry in " A Star Is Born ".
Samsung shows off 10 firsts and 10 bests of the Galaxy S10
It is reported that the Galaxy Note 10 code is "davinci", which is judged to be the 5G version of the Galaxy Note 10. Sorry, AT&T subscribers, but it's the same old network you were connecting to before.
Another '90210' star, dies days after Luke Perry
With his effervescent wife Toby at his side, he quietly asked me to keep a watchful eye out for Mitch, as it was his first gig. Ian Ziering , who played Rush's son Steve, paid tribute to the late actor on Instagram .
Those on Twitter are having some fun with posts about people reacting to Facebook and Instagram being down, and using the #facebookdown.
Meanwhile another user, Layla added: "i can not do anything on my instagram. send messages, like posts, even change my password! nothing is being refreshed or fixed please help. i'm scared i'm being hacked". WhatsApp is in the Facebook family of products too, but it seems to be working.
Others took the opportunity to joke about Facebook's recent privacy scandals. That outage was the second time that month.
The outage is occurring against a political backdrop of legislators in the USA and beyond considering whether large technology firms - not just Facebook - should be broken up.
Has the social outage affected you?