In this episode we'll add uniqueness validation on client. And the way we do it we make request to server when user tabs away from username or email fields.

Links:

- Repository: https://github.com/Remchi/reddice
- Twitter: https://twitter.com/remzolotykh
- Blog post: http://www.remzolotykh.net/react-and-redux-14-user-sign-up-uniqueness-validation-part-2/