This comes up most often when my commentary is interspersed with quoted material. In short, punchy paragraphs. In our analog past, classes were an hour long, regardless of the importance or difficulty of their content. Nothing is ever finished. It's this era's ah-ha.
Few things are ever complete.
In the early 80s, when I finished writing something on my IBM Selectric III typewriter, it was done . Thanks to word processing, there's little need to close out any document save contracts and true classics. Hiking in Berkeley last week, I came upon an IBM Selectric III typewriter, sitting on the curb, free for the taking. But Mr. Bill's too cryptic. Henceforth I'm going to shade work in progress in gray.