On behalf of the media and advertising industry, IAB Australia invests significant time and resources to manage a sole and preferred supplier deed for digital audience measurement. This industry initiative ensures that Australia has a world-leading, independent, inclusive and transparent digit audience measurement system. Digital Ratings (Monthly), which was launched early in 2016 is the second of three planned major upgrades to the digital audience measurement system.
Download the below one-page document for a more complete explanation of IAB/Nielsen Audience Measurement.