ser</em>
model to keep track of who is currently logged in.</p>
<p>A model typically persists information to a web server, although models can be
configured to save to anywhere else, such as the browser's Local Storage.</p>
<p>By default new Ember apps include <a href="../../models/">Ember Data</a>, which is a
separate data library that integrates with Ember and provides a solid,
conventional model layer. We'll see Ember Data in action in the tutorial in
the next section.</p>
<p>You can also provide your ow