• What we know about the Facebook whistleblower
• Instagram promoted pages glorifying eating disorders to teen accounts
원문출처 : https://www.cnn.com/2021/10/04/tech/facebook-instagram-whatsapp-outage/index.html
원문출처 : https://www.cnn.com/2021/10/04/tech/facebook-instagram-whatsapp-outage/index.html