Screens have been the dominant means of interfacing with technology for decades. Most of our phones, for example, are basically screen-only devices, and touch-screen laptops are increasingly common. Screens are so ubiquitous that to define the process of using a screen as a means of interfacing with technology seems odd, and may prompt the question: "Well, how else would you do it?"Well, you likely use a keyboard, mouse or touch pad in conjunction with screens. And remember touch-button phones? Rotary dialers? Or picture the various dials, knobs and buttons on older appliances. These were all common ways of interfacing with technology — something many of us do so habitually now that we don’t think about how they connect "wetware" creatures like us with our software and hardware.Analysts have been hailing the rise of voice or speech as the next major interface trend for a few years, but what are the implications of a shift from screen to voice? In the consumer space, the dominant voi...

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