The main advantage of using touchscreen technology in devices is its user-friendly interface that allows for intuitive control. Touchscreens enable direct interaction with the display, making operations quicker and more straightforward compared to traditional input methods like keyboards or mice. This technology has become prevalent in smartphones, tablets, and kiosks, enhancing accessibility and engagement. Additionally, touchscreens can support multiple gestures, such as pinch-to-zoom, making it easier for users to navigate complex information and applications seamlessly.