We will learn how adding React Router shifts the balance of responsibilities, and how the components can use both at the same time.
If we were using a selector to handle the filtering logic in getVisibleTodos, how could the value from params.filter be made accessible to the selector?
We pass it to the selector from the component as the second argument.
It was distracting to suddenly hear about webpackDevMiddleware, Express, etc. with no explanation, no introduction, no links, etc. Broke the nice progression of the tutorial.