What exactly was the Facebook outage about - a technical explanation of the problem from Cloudflare

In October 2021, we witnessed one of the largest crises in social media history when Facebook, Instagram, and WhatsApp experienced a global outage. The article delves into the causes of this catastrophe, which initially remained unclear to most users. Hours of darkness in major social networks, particularly in messaging apps, put many businesses and individuals in challenging situations. The Cloudflare blog also examines the technical details of the outage, which were related to an internal server update. A key takeaway is that even technological giants can face significant issues that impact millions of users worldwide. Ultimately, this incident highlights the importance of service reliability in today's interconnected world, where many people depend on these platforms for their daily interactions.