Both social media giants have been hit by major outages that left them refusing to load for some of their users.
Facebook's messaging app has crashed around the world. Then, tap 'Your time on Facebook.' As you can see, I use the app for three minutes too many per day.
Facebook says they are investigating the issue and working on a resolution.
The independent monitoring site Downdetector showed a map indicating that outages affected most parts of the world, especially in North America, Europe and Asia.
The tool also comes with shortcuts to notification, news feed and friend request settings.
"We're aware that some people are now having trouble accessing the Facebook family of apps", said a spokesperson for the social media giant that also owns WhatsApp.
What do you think about the apparent social media outage today?
Soon, Facebook was finally able to pinpoint the cause of the issue.
'We are planning to introduce Dark Mode after we've finished rolling out the new Messenger to everyone globally, ' Facebook wrote.