[DH]

The headphones have been demonstrated to improve productivity in that environment.

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Yeah, sure, whatever.

I’m sure their minds are strictly on their business.

Now, I have to go feed my unicorn.

[muawiyah]

As i suggested you have no idea what you are talking about. Those employees are mail distribution clerks. There is NO intellectual content to their jobs. On the other hand they have to be able to read and write ~ and must be able to pass a drug test and pass an examination.

The fact you cannot imagine a job so stultifying you'd do better with headphones is telling ~

Hope you've never been in supervision.