even if it’s not technically necessary.
“Flight attendants are required to make their preflight safety announcement by the Federal Communications Commission because of “potential interference to the aircraft’s navigation and communication systems.” Perhaps this seems like a no-brainer: turning off your cellphone inside a piece of technology as sensitive as an airplane. In our civilized times, there are only a few things imaginable which more likely lead to direct physical conflict with the person in the seat next to you than turning on your cellphone during takeoff and nonchalantly calling your hairdresser to reschedule that appointment next Wednesday.”
just. shut. up.