As personal privacy becomes one of the defining anxieties of the connected age, Huawei is rumored to be extending a hardware-level screen protection technology — first introduced on its MateBook Pro S laptop — to its forthcoming Mate 90 flagship smartphone. The technology, called Privacy Display, physically restricts side-angle viewing without sacrificing image quality for the person directly in front of the screen. In a landscape where Samsung has already attempted something similar but stumbled on image degradation, Huawei's move signals that the industry is still searching for the right bal