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：
All measurements here are for a single player; it’s much harder to provide consistent numbers for bandwidth with larger numbers of players. In general bandwidth usage is higher with more players, but these optimizations still help a lot.
，详情可参考WPS官方版本下载
Employs a data-driven, goal-based strategy,
My approach is very simple:
‘I know what I did, and more importantly, what I didn’t do,’ former US president says after six-hour deposition