Australian Mobile Internet Usage Infographics (click to enlarge)

This infographics is created by Anansi Web Development, Sydney, Australia, the creator of Store Locator app for iPhone.
http://www.anansi.com.au http://sitelocator.mobi

Source: http://www.smh.com.au/digital-life/mobiles/australians-take-to-mobile-internet-20100429-tszn.html (The Nielsen Company)