<http://schema.org/description>
"Though there\u2019s concern surrounding Internet \"click fraud,\" there is no agreement on how to define it, how prevalent it is or who to blame for it. Online click fraud occurs in pay-per-click advertising, when a person or automated program clicks on an advertisement."^^<http://www.w3.org/2001/XMLSchema#string>
<http://archives.sfexaminer.com/sanfrancisco/a-challenge-verifying-online-advertising/Content?oid=2159969>