Substack as a service makes it easy to create a newsletter, and more ideally, a paid newsletter. The practice and process of creating a newsletter is interesting, because to be successful, I asssume that you have to decide on a topic. Decide on a topic of interest. And in turn, a topic where you have something to say. To contribute.
So the process of publishing is the refining mechanism to find your voice. It's the process of taking a stick to cut into a pile of Legos, then sweep away the pieces that aren't relevant. The divided line shows you what's left. What's interesting. Then you can start developing an opinion and framework for the parts that remain.
Substack and the varied world of topics. ie. Strategy