<http://schema.org/description>
"The proliferation of mobile devices like smartphones and tablets has made life a bit trickier for advertisers to figure out just what they are receiving for their ad dollars. comScore Inc. (NASDAQ:"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.aol.com/article/2012/11/29/counting-web-site-visitors-gets-more-sophisticated/20391168/?gen=1>