title: Update html on model change
body: <p>I have such controller:</p>
  
  <pre><code>function postCtrl($scope){
      $scope.model = { title: 'one' };
  
      window.setInterval(function(){
          $scope.model += ' more one,';
      }, 1000);
  }
  </code></pre>
  
  <p>View side:</p>
  
  <pre><code>&lt;div ng-controller="postCtrl"&gt;
       &lt;input type="text" ng-model="model.title"/&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p>I want textbox to automatically refresh value when <code>model.title</code> changes (every 1 second). Please tell me if it's possible</p>