> If you're new to the framework, note that `ReactLink` is not needed for most applications and should be used cautiously.
> ReactLink is deprecated as of React v15. The recommendation is to explicitly set the value and change handler, instead of using ReactLink.
In React, data flows one way: from owner to child. This is because data only flows one direction in [the Von Neumann model of computing](https://en.wikipedia.org/wiki/Von_Neumann_architecture). You can think of it as "one-way data binding."