<http://schema.org/description>
"The popularity of electronic gadgets has led Amazon.com Inc. (AMZN) to add a new subscription feature, Kindle Unlimited, to its Kindle e-reader and Kindle Reading Apps for $9.99 a month."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.zacks.com/stock/news/140797/amazon-debuts-kindle-unlimited-for-999-to-boost-ebook-biz>