 are responsible for communicating with a source of data for your application. Typically this will be a web service API, but in this case we are using an adapter designed to load fixture data:</p>
<pre class="language-javascript line-numbers"><code class="javascript language-javascript">window<span class="token punctuation">.</span>Todos <span class="token operator">=</span> Ember<span class="token punctuation">.</span>Application<span class="token punctuation">.</span><span class="token function">create</s