https://web.archive.org/web/20180818114317/https://www.facebook.com/notes/facebook-security/link-shim-protecting-the-people-who-use-facebook-from-malicious-urls

https://web.archive.org/web/20180818114317/https://www.facebook.com/notes/facebook-security/link-shim-protecting-the-people-who-use-facebook-from-malicious-urls/10150492832835766/ https://web.archive.org/web/20180818114317/https://www.faceb...