perl(1). L<Business::OnlinePayment>.
+=head1 ADVERTISEMENT
+
+Need a complete, open-source back-office and customer self-service solution?
+The Freeside software includes support for credit card and electronic check
+processing, integrated trouble ticketing, and customer signup and self-service
+web interfaces.
+
+http://freeside.biz/freeside/
+
+
=cut