> The displays are gradually less important because a growing fraction of the population are already carrying a display with wireless networking, on a personal

> The displays are gradually less important because a growing fraction of the population are already carrying a display with wireless networking, on a personal device the UI can show you your exact route and where the bus you need is now etc. That is not my experience at all. I use busses every day and I always use the posted times and don't want to look for it on my phone. There are a handful of bus stops on my common routes without displays and I always hate it. I'm not sure there is a critical mass of people actually looking at the apps for real-time departure information, at least not in my city (Vienna Austria).