you're having a conversation with someone
who may be looking at you, nodding, etc.,
but who is actually having a phone
conversation on wireless headset. Mutually
annoying as each party thinks the other is being rude.
the boss's secretary... I can never tell whether she's talking to me,
talking on the phone or talking to the voices in her head...
Moe: Ha ha, I carry a pad and paper deaf-mute style to communicate in the office any more...