Facebook says sorry for mass outage and reveals why it happened

Facebook has apologized for the mass outage that left billions of users unable to access Facebook, Instagram, WhatsApp and Messenger for several hours.

Facebook Apologizes for Outages, Blames 'Server Configuration' Error

Facebook, Instagram and WhatsApp working again after global outage

Facebook, Instagram, Messenger and WhatsApp again hit with outages

Routine maintenance' cause of six-hour Facebook platforms outage

Sorry for the disruption, says Zuckerberg as Facebook, WhatsApp

Facebook - Wikipedia

Facebook says sorry for mass outage and reveals why it happened

Facebook went down Monday, sending users rushing to Twitter

Facebook, Instagram, WhatsApp Were Down: Here's What to Know - The