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For decades, the touchscreen has functioned as mobile HCI's unquestioned center of gravity. A growing body of academic research now argues that voice-driven interfaces deserve recognition not as a convenience feature layered atop existing paradigms, but as a structurally distinct mode of interaction with its own design logic, failure states, and accessibility profile.
Decades of mobile HCI research have mapped the human thumb's natural arc with considerable precision, yet smartphone manufacturers continue releasing devices that exceed comfortable one-handed reach for a substantial portion of the population. The consequences fall hardest on women and older adults in the US, groups whose anatomical realities have been systematically sidelined by an industry designing for a statistical fiction. This retrospective examines what the research community has document
Long before Apple introduced the iPhone or Google launched Android, mobile HCI researchers were mapping the ergonomic and cognitive constraints of small-screen interaction. A careful examination of the scholarship presented at early MobileHCI conferences reveals that today's most familiar touchscreen conventions were not invented by product designers — they were predicted by academics. This retrospective traces that intellectual lineage from stylus-tapping PDAs to the gesture-driven displays now