They put a smartphone next to a keyboard, and they had people type, and then their goal was to use the vibrations that were created by typing to measure the change in the accelerometer reading to determine what the person had been typing.
Au pus un telefon lângă o tastatură și au invitat lumea să tasteze, cu scopul de a folosi vibrațiile date de tastare ca să măsoare devierea accelerometrului pentru a determina ce tastase persoana.