Mark Zuckerberg's net worth has dropped considerably during the social media blackout.
Facebook, Instagram, Messenger and WhatsApp (which are all owned by Zuckerberg) were down for several hours due to 'networking issues'.
They've since come back online, however the financial damage done as a result of the outage has been severe.
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Zuckerberg's net worth plummeted from by US$7 billion to nearly $121 billion during the seven hour blackout, according to Bloomberg's Scott Carpenter.
Facebook stock saw a massive sell-off due to the outage as people looked to offload their shares in the tech and social media company.
That means he fell two spots to fifth most wealthy person on the planet and now sits behind Bill Gates.
Users are now able to use Facebook, Instagram, WhatsApp and Messenger again as the previous issues appear to be fixed.
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TechCrunch reported that, when people were hopping on the sites for their morning, midday or evening scroll, they were confronted with a server error.
"Instagram shows a '5xx server error', which indicates that this is an issue with Facebook's servers," the outlet says.
"Users are also unable to send messages or load new content on the mobile apps for these platforms. Even Oculus, Facebook's virtual reality platform, is experiencing outages, according to a tweet the platform posted.
"It appears that the outage is caused by a DNS (domain name server) fail - this is the naming structure that forms the web's infrastructure. So, if you try to navigate to facebook.com right now, the internet won't know where to find facebook.com."
Featured Image Credit: The Photo Access/Alamy Live NewsTopics: News, Facebook, Technology, Mark Zuckerberg