In this textbox value is bind to myName variable.In first case textbox value is display but in second case it will display {{myName}} because ng-non-bindable does not bind application data to html element.
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.2/angular.min.js"></script>
</head>
<body ng-app>
<div>
Name: <input type="text" ng-model="myName">
<p>My name is {{ myName }}</p>
<p ng-non-bindable>My name is {{ myName }}</p>
</div>
</body>
</html>