“The Sweathead crew was asked to contribute insights to this document. Some of the work here was put here by people who did it and are proud of it. Some of the work was put here by people who admire other people’s work. Examine it, contemplate it, pull it apart, rewrite it. Use it to practice and use it to do better. If there are errors, let us know.” A bit of setup from Mark on how to think about insights, plus a collection of 40 insights that drove real creative work.