to the Bookinfo product page at <code>http://$GATEWAY_URL/productpage</code>. On
the product page, you can see the following sections:</p><ul><li><strong>Book Details</strong> on the lower left side, which includes: book type, number of
pages, publisher, etc.</li><li><strong>Book Reviews</strong> on the lower right of the page.</li></ul><p>When you refresh the page, the app shows different versions of reviews in the product page.
The app presents the reviews in a round robin style: red stars, black stars, o