Deliverability statistics, response rates, click throughs, sales-cost per response, relationships built and overall return on investment.Please note, in the absence of any indication of results, the jury cannot give a mark for this and the entry could suffer as a result.Following the delivery of the tinnitus cards there was a significant increase in clicks on the website of Tinnitus Hilfe e.V. (www.tinnitus-ist-heilbar.de). And this amounted to increased enquiries about the cure.