Nowadays, when usability sounds a little bit old fashioned. But it still gives interaction designers very good challenges. I was a design a form where the user could select his arrival time. The old solution from which my design started, used a dropdown menu with 24 hour time format. You had 1.00 to 24.00. I thought that I should have had to look into alternatives to a long list of values. The first thing I considered was the a second...