div class=content>The <code>ratings</code> service is a web app and you can communicate with it as you would
with any other web app. You can use a browser or a command line web client like
<a href=https://curl.haxx.se><code>curl</code></a> or <a href=https://www.gnu.org/software/wget/><code>Wget</code></a>.
Since you run the <code>ratings</code> service locally, you can also access it via the
<code>localhost</code> hostname.</div></aside></div><ol><li><p>Open <a href=http://localhost:9080/ratings/7>http://l