The first stage of the "free content" strategy is now published. I added three articles to the website with detailed guides on how to upgrade React Native. This is a topic which lots of developers need help with, and feeds in quite nicely to the topic of the main course (understanding the native side of React Native).
These articles were shared via Twitter and got a good response. I also managed to get a Tweet out from the React Native Community Twitter account, which really helped to drive some traffic.