> Especially on phones. When you click or touch something, something should happen right now, even if more will happen later. Interestingly, Apple are really p

> Especially on phones. When you click or touch something, something should happen right now, even if more will happen later. Interestingly, Apple are really pushing this now. They've just demonstrated new predictive tech to get response time down to ~ 30 ms from ~ 60 ms on iOS devices (if I remember correctly, this is based on a publicly available WWDC talk). That said, 30 ms is still far too much. Microsoft made a good demo showing just how noticeable 30 ms of lag is compared to none at all (linked on this page by sosuke). But it really just goes to show how poor this current generation of capacitive touch-based devices is. And Apple's software-based approach, though it helps, is not sufficient without new hardware too...