The 1080p FaceTime HD camera delivers clear video calls in a variety of lighting conditions, and dual mics with directional beamforming isolate a user’s voice and reduce background noise.
FT Videos & Podcasts，这一点在PDF资料中也有详细论述
BBC reports from the scene of Swiss resort bar fire，详情可参考快连下载-Letsvpn下载
В Домодедово задержали иностранца с куском метеорита в чемодане14:57，更多细节参见PDF资料
We cannot, and should not, expect users to know this.