Interaction design » Usability http://www.interactiondesignblog.com The blog about interaction design and usability Sun, 12 Sep 2010 12:51:00 +0000 en hourly 1 http://wordpress.org/?v= Usability of Payment devices http://www.interactiondesignblog.com/2008/05/usability-of-pin-devices/ http://www.interactiondesignblog.com/2008/05/usability-of-pin-devices/#comments Fri, 16 May 2008 12:42:29 +0000 admin http://www.interactiondesignblog.com/?p=63 [Continue reading...] Usability of pin machines]]> http://www.interactiondesignblog.com/2008/05/usability-of-pin-devices/feed/ 0