Especially if I install loudspeakers in my classroom that whisper 'rm -R ~/' over and over like a mantra... Back on topic, some years ago if you saw someone wa

Especially if I install loudspeakers in my classroom that whisper 'rm -R ~/' over and over like a mantra... Back on topic, some years ago if you saw someone walking along having an animated conversation with no visible participant, you would have assumed a form of mental illness. Now, you just assume they are using their hands free set. I think it will catch on.