<http://schema.org/description>
"MSN now offers publisher placement performance reporting. This should lead to better Content network performance. Here are a couple notes: Much like Google placement performance reporting, it shows a URL&amp;#8217;s performance on the Content network. However, it also shows performance on the MSN Search Network..."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.pointit.com/blog/adcenter-content-network-viable/>