A Bit of a confusing title I know. I found it quite interesting once I figured out what the technical note was talking about.
TN: 13932 shows how you can display all days in a month up until a single filtered day, instead of having to use a "between" or "multi value" filter.
Not a function that I'm using currently, but it might be useful in the future, or might be a good approach to use on a different problem.