Enough KP's need to be installed to facilitate ease of use, but the real rule of thumb is they should be installed both inside controlled and secured space(s).
I would not count exclusively on an iWhatever (or droid) as a primary means of UI....what happens when iOS10X Wonka scrumdelicious comes out and it's not stable or doesn't work?
I would not count exclusively on an iWhatever (or droid) as a primary means of UI....what happens when iOS10X Wonka scrumdelicious comes out and it's not stable or doesn't work?