Airplane [Cabin] Mode

We know from experience that Airplane Mode is a complete disconnect from networks. But what is Airplane Cabin Mode (ACM)?

Little secret: I’ve been writing in cabin mode for many years.

It’s a simulated environment designed to inject the white noise of jet engines and 600-mile-per-hour wind along with the intermittent tones and background sounds of an aircraft cabin 40,000 feet aloft.

This is the world I lived in for many decades. From LA to Chicago, NYC, Frankfurt, London, …