Instruction: Describe how two-way data binding works in AngularJS and its advantages.
Context: Even though the concept of data binding is mentioned, this question specifically asks for a deeper understanding of two-way data binding, distinguishing it from the broader concept.
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What makes two-way data binding particularly powerful is its ability to automatically update the view whenever the model changes and, conversely, to update the model when the user manipulates the view. This is achieved through the AngularJS directives, such as ng-model, which bind the HTML elements like input fields to model variables. For example, if you have an input field for a user's name tied to a model property called userName, any change in the input field updates userName in the model,...