Facebook

Facebook is a widely-used app that is available for iOS and iPadOS. It can also be accessed through a web browser by desktop or laptop computers. Account registration is required for access.

History
The company was founded as TheFacebook in 2004. On October 4, 2021, the entire Facebook system, including its subsidiaries Instagram and WhatsApp were taken offline by an internal while its stock lost tens of billions in market value. Twitter CEO inquired about buying the facebook.com domain.