Time & Delay

Different control system requires different スピード感. Driving a car at high speed along a winding road requires quick responses. An oil tanker has very different dynamics and responds so slowly that “driving” it requires the person to predict the future course of the ship.

Good design harmonizes the delays of people and technology. Some activities, such as clicking on an icon, require the system to respond within 100 ms, but other activities, such as rendering a page of a website can take several seconds without disrupting a person’s task