http://www.tipz.com ultimate how to and tip guide Thu, 09 Feb 2012 00:29:59 +0000 en hourly 1 http://wordpress.org/?v=3.0 http://www.tipz.com/how-to-use-your-voice-for-presentations/ http://www.tipz.com/how-to-use-your-voice-for-presentations/#comments Mon, 27 Apr 2009 00:17:40 +0000 Alex http://www.tipz.com/?p=960 http://www.tipz.com/how-to-use-your-voice-for-presentations/feed/ 0