http://digital-signage-software.net/2009/11/02/roi-digital-signage-networks/ On this page you will find information on Digital Signage and Bluetooth Marketing, with relation to the Web Signage platform. You will also get links for articles, free resources and tips on the subject of Proximity Marketing. Fri, 10 Dec 2010 22:11:38 +0000 hourly 1 http://wordpress.com/