Do you use the findcity feature? How often?
Since my keyboard-mouse (J-Key) on my laptop sucks I always have it on 'keyboard only' option. Sometimes it's quicker to hit findcity then to have to tab it. Also, when I have a lot of barracks factory cites one or two can sometimes slip though the system and be like: Building Barracks 57/40. And then I usaully do a clean up by checking which cities are like this (F1) and then using findcity.
Since my keyboard-mouse (J-Key) on my laptop sucks I always have it on 'keyboard only' option. Sometimes it's quicker to hit findcity then to have to tab it. Also, when I have a lot of barracks factory cites one or two can sometimes slip though the system and be like: Building Barracks 57/40. And then I usaully do a clean up by checking which cities are like this (F1) and then using findcity.