<http://schema.org/description>
"Pay-per-click (PPC) advertising through Google AdWords used to be largely the preserve of small businesses, but larger companies have increasingly moved into the market, driving up ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2011/03/22/wordwatch-aims-to-give-adwords-power-back-to-the-little-guy-100-free-accounts/>