It's probably time to proclaim a new color for working class white collars.
http://www.savalinews.com/wp-content/uploads/2016/11/Call-Ce...
Which look very similar to this:
https://s-media-cache-ak0.pinimg.com/originals/d4/84/2b/d484...
The main difference is the machine is a calling machine instead of a sewing machine.
Call centers are more like call mills, and those people are definitely wearing shirts with blue collars.
It's probably time to proclaim a new color for working class white collars.