Last year, on the sly, Google purchased U.K. startup Redux. This is a company that has technology that allows the display on your mobile phone to act like a speaker. With this technology in place, manufacturers can produce phones without a speaker, and use the extra internal space for larger batteries and extra components. By vibrating the screen using tiny actuators, sound is created from the display.
In addition to producing the same type of sound you would expect to hear from your phone’s speakers, the Redux technology also produces haptic feedback when the user taps on the display. The …