Is Microsoft giving them away for free to people to promote them, or is it that Bill is using one of the backdoors to write from your phone?
Microsoft Accidentally Leaks Key to Windows Backdoor
In a cautionary tale to those who favor government-mandated backdoors to security systems, Microsoft accidentally leaked the key protecting its UEFI Secure boot feature.
As we all know, the problems with backdoors are less the cryptography and more the systems surrounding the cryptography.