If Medium were built on open data, Substack wouldn't have to build an editor, interface, and CMS from scratch. They'd build a subscription module that operates on top of the Medium editor and content. You could continue writing in Medium (or elsewhere) and publishing there while using Substack's subscription feature to build an audience and deliver... See more
Audio that’s valuable as a professional or educational resource, which encourages users to get their employer to pay for it, or consider an educational expense.
The trick is to surround yourself with people who are free in ways you’re not. In other words, don’t surround yourself with smarter people. Surround yourself with differently free people.