Get Me Off Your Fucking Mailing List
Figure 1 (page 3) provides a good illustration of the main idea of the paper. PDF is here.
Reference
David Mazières, Eddie Kohler “Get Me Off Your Fucking Mailing List” (2014)
@Article{mazieres2014,
title = {Get Me Off Your Fucking Mailing List},
url = {https://www.scs.stanford.edu/~dm/home/papers/remove.pdf},
publisher = {International Journal of Advanced Computer Technology},
author = {Mazières, David and Kohler, Eddie},
year = {2014}
}