You literally cannot get your thumb under your ass in milliseconds to sit on it, unless you're the Olympic record holder for that sporting event. You can't cha

You literally cannot get your thumb under your ass in milliseconds to sit on it, unless you're the Olympic record holder for that sporting event. You can't change your focus from the window where you are editing the code to the window where you are interacting with the app in milliseconds. Maybe triple digit milliseconds at best, not double, let alone single. Well, double may be within reach, if it's hot-keyed.