translation.en: But the bug in our case was in touch-sensitive displays: we wanted to be able to draw -- you know, rub your finger across the screen to input continuous points -- and there was just too much friction created between your finger and the glass -- if glass was the substrate, which it usually is.
translation.zh: 但在这里,这个缺陷是基于我们的触控显示技术. 我们希望能画画,你知道,在屏幕上移动你的手指 然后输入连续的点. 并且那是你的手指与屏幕 产生的压力 -- 如果是以玻璃材料的, 通常是这种.