There are a few different modes in the app for both sleep and playtime — each of which is completely customizable. (checkpregnancy.com)
You can also choose from a few different modes, including battery saver, fish alarm, and backlight mode. (geekwrapped.com)
Instead, I think you would use a few different modes of transportation — and one would be an aerial method like the drone network we're proposing. (newscientist.com)