PSA: Facebook, Instagram, Messenger, and WhatsApp went down for 6+ hours; here’s why [U]

Update: 5:55 p.m. ET: Facebook, Instagram, WhatsApp, and Messenger are slowly but surely coming back up after more than 6 hours of being down. Your mileage may vary for now, but the services are in the process of coming back to life.Update 4:30 p.m ET: Facebook, Instagram, Messenger, and WhatsApp have now been down for five hours. In the latest update, Facebook CTO Mike Schroepfer says that Facebook is “experiencing networking issues and teams are working as fast as possible to debug and