Apropos the previous post on bus stops, the University of Minnesota has a new set of campus shuttle and connector signs. The distinguishing feature is the use of QR codes. I am not sure how I feel about this, QR codes seem faddish. Nevertheless, it would be interesting to get statistics on how many relatively tech-savvy UMN students use the QR codes daily, compared with the number who text, call, or go to the website get information.
More info here, including real-time moving buses.