Sony pins hopes on 4K video to revive smartphone sales
https://www.reuters.com/article/us-telecoms-mobileworld-sony/sony-pins-hopes-on-4k-video-to-revive-smartphone-sales-idUSKCN1GA0N8
Japan's Sony Corporation is turning its focus to 4K high-definition video recording in its new Xperia XZ2 smartphone to differentiate itself from rivals that have caught up in camera technology.