Comments on: Who will be the ‘Rock Star’ speaker at ad:tech Sydney 2010? http://www.ad-techbrain.com.au/2010/01/22/who-will-be-the-%e2%80%98rock-star%e2%80%99-speaker-at-adtech-sydney-2010/ The Voice of ad:tech Sun, 01 Aug 2010 06:16:23 +0000 http://wordpress.org/?v=2.6.5