不止手机，笔记本电脑也曾经尝试过硬件集成的防窥功能，惠普当年的 Sure View 技术方案就是其中一例：
Terms and Conditions
。51吃瓜对此有专业解读
New features could continue to be developed in the inventory service. These changes would get deployed to our internal development environment's microservices to power new internal builds of the live-service game client. With minimal additional work, this same inventory logic could be used in the AOT serverless codebase to build out the DLL files needed to support the same functionality in the offline game client.
● “암호화는 됐지만, 접근 통제는 미흡”