Review plan

Honor the [spacing effect](https://fs.blog/2018/12/spacing-effect/).

> “Repeated exposure to information in specifically timed intervals provides the most powerful way to fix memory into the brain. …Deliberately re-expose yourself to the information more elaborately, and in fixed, spaced intervals, if you want the retrieval to be the most vivid it can be. Learning occurs best when new information is incorporated gradually into the memory store.” - John Medina, Brain Rules

Open your calendar and schedule 15-30 minutes/day over the next 30 days.

## Mailing Lists

Check out [my JavaScript information stream](https://github.com/coryhouse/ama/issues/11)

## Challenges:

Build a new app that implement the same core features outlined in the demo checklist.
Create a class component
Create a functional component
Use a ref to set focus on an element
Build a TODO app
Enhance our existing app to review concepts daily