> They didn't want to skip the progress animation because they liked how it made the app feel like it was doing something, and also if the user got the result i

> They didn't want to skip the progress animation because they liked how it made the app feel like it was doing something, and also if the user got the result instantly, it was "jarring". Like hard bristle toothbrushes. Hard bristle toothbrushes are not good for your gums. So why do they make them? Because customers like hearing the sound of the toothbrush brushing. They like hearing it do something.