Progressive Summarization takes advantage of a tool and a habit that we are all intimately familiar with—highlighting—while leveraging the unique capabilities of technology to make those highlights far more useful than anything you did in school. The technique is simple: you highlight the main points of a note, and then highlight the main points of those highlights, and so on, distilling the essence of a note in several “layers.” Each of these layers uses a different kind of formatting so you can easily tell them apart.

