The most leaked smartphones of the year have been made official. The Pixel 4 and Pixel 4 XL run Google's latest Android 10 operating system, with some powerful hardware to back it up. There's a new Face Unlock feature, radar-based gesture controls, faster Snapdragon 855 processor with 6GB RAM, and an additional 16MP telephoto camera to accompany the main 12MP camera. How do you like Google's new flagship smartphones?