On October 4, 2021, Facebook, Instagram, WhatsApp went down globally for over six hours it left over 3.5 billion users with no access to its social media platforms. In a somewhat unsurprising take on events, shares of Facebook fell by 4.9%, their most significant daily drop since November 1 2020. Facebook has experienced international outages in the past, including major partial outage incidents on April 14, 2019, and March 14, 2019, that was attributed by the company to technical errors.