Selectors are convenience functions used for looking up and retrieving snippets of data from the Redux store, into your components. They play an important role as they help cope with derived and related data - allowing Redux to store the minimal possible state.

“Redux, once and for all” workshop: https://forwardjs.com/#redux-once-and-for-all

Redux Free Chapter from "Pro React": http://www.pro-react.com/materials/ch06-alt-redux.pdf

Episode Source Code: https://github.com/cassiozen/ReactCasts/tree/master/episode8

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