A type-4 discount situation is where the mailer reduces the work required by changing his behavior in efficient ways that were either not predicted or that do not seem particularly associated with the nature of the discount.
A type-4 discount involves the mailer decreasing the work required.
Mailers are not capable of reducing the work required.
Woman with a camera, and a woman in a long dress, look out at a riverbank.
people are swimming in the ocean
There are a number of trained professionals who could provide the assessment.
They are having crab for dinner.
Three people surround a bed full of colored jars.
I think Internet culture is strange and hard to understand for those who are not immersed in it.