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@@ -1029,7 +1029,7 @@ It's much more verbose to use inheritance in ES5 and the ES6 version is easier t
 
 ### Can you offer a use case for the new arrow => function syntax? How does this new syntax differ from other functions?
 
-TODO
+One obvious benefit of arrow functions is to simplify the syntax needed to create functions, without a need for the `function` keyword. The `this` within arrow functions is also bound to the enclosing scope which is different compared to regular functions where the `this` is determined by the object calling it. Lexically-scoped `this` is useful when invoking callbacks especially in React components.
 
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