Low sales means last years model is still performing pretty well. In fact, the model from two years ago is still doing just fine.<p>Here is a post from two years ago where we discussed this: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=6606056" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=6606056</a>