LG has announced that its upcoming G8 ThinQ will have a unique new feature that will allow it to use the display as a loudspeaker. Called the Crystal Sound OLED or CSO, the feature utilizes the display as a moving diaphragm by vibrating the entire surface. This allows the display to act as a second channel, working alongside with the dedicated loudspeaker placed at the bottom of the phone to create a stereo audio effect. The technology is new for smartphones but was first included in its OLED televisions by LG last year. Sony has had this even longer in its televisions and calls...