According to Facebook's father or mother Meta, DAUs dropped to 1.929 billion in the 3 months ending in December, down from 1.930 billion the former quarter. On October 4, 2021, Facebook had its worst outage because 2008. The outage was world wide in scope, and took down all Facebook homes, including Instagram and WhatsApp, from somewhere around 15:39 UTC to 22:05 UTC, and influenced approximately three billion buyers.