This document summarizes the key policies and initiatives around opening government data in Australia. It outlines the eGovernment and Digital Economy Policy from 2013 which aims to publish high-value public data and seek public-private partnerships using big data. It also discusses the Gov 2.0 Taskforce Report from 2009 which established principles like declaring open government and using Creative Commons licenses. The document then reviews the benefits of open data like increased transparency, innovation, and improved government services. It highlights data.gov.au as the platform for publishing and accessing Australian government data and discusses some challenges around privacy, skills, and changing culture. Finally, it promotes events like GovHack to showcase uses of open data and encourage collaboration.