X, the social media platform formerly known as Twitter, went down for tens of thousands of users Friday morning. More than 78,000 outages were reported as of 10:16 a.m. ET, according to Downdetector.

An X outage that began the morning of Monday, Feb. 16 has continued to fluctuate throughout the day, impacting, at its peak, more than 40,000 social media users. At 8:30 a.m. ET on Monday, more than ...