<http://schema.org/articleBody>
"I'm not aware of any standard type of fee for this transaction, but I think we have all read stories of software companies losing customers to a competitor because of these upgrade fees. I know we have changed software here simply because of maintenance fe..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://archive.midrange.com/midrange-nontech/200811/msg00005.html>