The recent emergence of online social media has had a significant effect on the contemporary political landscape, yet our understanding of this remains less than complete. This article adds to current understanding of the online engagement between politicians and the public by presenting the first quantitative analysis of the utilisation of the social network tool Twitter by Australian politicians. The analysis suggests that politicians are attempting to use Twitter for political engagement, though some are more successful in this than others. Politicians are noisier than Australians in general on Twitter, though this is due more to broadcasting than conversing. Those who use Twitter to converse appear to gain more political benefit from the platform than others. Though politicians cluster by party, a relatively 'small world' network is evident in the Australian political discussion on Twitter.Much has been made of the impact of social media on the modern political landscape. For enthusiasts, social networking tools such as Twitter, Facebook, MySpace and blogging and video platforms offer powerful new ways to connect, influence and engage fellow citizens -perhaps ushering in a radical transformation in the way citizens connect with and influence their government and politicians connect with the public. Within this, politicians throughout the democratic world have begun to embrace such tools as a new way to connect with their constituents, shortcutting the heavily mediated connections offered by traditional media (Keane 2009a;Posetti 2010;Westling 2007). As Queensland Premier Anna Bligh recently observed, Engaging with the community online is a great way for me, as Premier, to get feedback on the decisions and actions of my government . . . Twitter in