至言なり。>The best mobile software would be designed to make users spend as little time as possible using it.>Once we do, we can begin to understand what makes a good design in which people use the tool to efficiently solve a problem, then put the tool away once they are done.Usability: the wonderful, powerful idea that betrayed us - Guardian Projecthttps://guardianproject.info/2021/02/18/usability-the-wonderful-powerful-idea-that-betrayed-us/