This isn’t the first “coffee-maker etiquette” flowchart I’ve seen, but it is the most aesthetically pleasing.

Says Sarah in St. Louis: “The IT department in our office is notorious for drinking the last of the coffee without making more.” (Note the subtle “I heart C++” mug.) Apparently, one of her co-workers thought breaking things down into engineer-speak might help.

Meanwhile, in Toledo, Ohio…a variation tailored to a slightly different audience:

related: Passive-aggressive flowcharts