Devices with stereo speakers deliver sound that surrounds the user from left and right side, creating a richer sound and a better experience.
Google Nexus 6P
16% have it
13. has built-in optical image stabilization
Optical image stabilization uses gyroscopic sensors to detect the vibrations of the camera. The lens adjusts the optical path accordingly, ensuring that any type of motion blur is corrected before the sensor captures the image.