The document summarizes Cook County, Illinois' open government plan, which aims to increase transparency and public participation through an open data portal. It outlines the county's open government ordinance requiring agencies to publish at least 3 high-value datasets to the portal within 120 days. The plan discusses the county's open data categories and initiatives to improve transparency, such as publishing budgets, calendars and check registers online. It also notes the county contracted with Socrata to host the open data portal to provide pre-built tools and functionality.