Welcome to the Pure Intelligence daily executive briefing for Wednesday 2 September. Here are the top macro trends from the last 24 hours. Executive summary Australian Privacy Law Undergoes Significant Overhaul ChatGPT Advertising Achieves Rapid $1 Billion Revenue Milestone Industry Calls for Unified Media Measurement Standards Amid Complexity Illicit Tobacco Trade Now Commands 80% of Australian Market Australian marketers face significant new privacy obligations with draft legislation overhauling data handling and consent. Globally, AI's commercial impact is clear as ChatGPT's advertising business hits a $1 billion annualised revenue run rate. Meanwhile, the industry continues to push for shared data standards to address fragmented media measurement, while Australian retailers confront a burgeoning $15 billion illicit tobacco market. Draft legislation for Australia's privacy laws proposes sweeping changes, including a \fair and reasonable test\ for personal information, strengthened consent requirements, and a broader definition of what constitutes data trading. Crucially, passing customer data to third parties for advertising, even via website pixels or customer lists, will now require explicit customer permission, with businesses needing to prove consent. This overhaul will fundamentally reshape existing data practices and processes for all Australian businesses, potentially impacting every aspect of digital marketing, from audience targeting to campaign measurement. The changes empower the OAIC with stronger enforcement powers, signaling a new era of strict compliance for data practices. OpenAI's advertising business has quickly scaled, reaching a US$1 billion annualised revenue run rate within 200 days of its launch. This rapid growth highlights marketers' increasing adoption of AI-powered advertising platforms to connect with audiences. With thousands of advertisers already onboard in Australia and New Zealand, and new capabilities like conversion optimisation, geographic targeting, and expanded measurement tools introduced, the platform is proving effective for top-of-funnel engagement. This milestone confirms ChatGPT's emergence as a significant new channel for media spend, offering brands a distinct way to engage customers at moments of genuine intent. A review by IAB Australia reveals that while confidence in individual media channel measurement remains strong, proving advertising's collective impact on business outcomes is lagging. The core issue isn't a lack of measurement methods, but a critical need for shared, standardised data, including a common taxonomy for campaign data across marketing mix modelling, attribution, and experimentation. Although data clean rooms are frequently nominated for privacy-safe collaboration, they remain largely underutilised. This underscores an urgent requirement for greater harmonisation of metrics and integration of datasets to accurately assess cross-media audience impact and improve advertising effectiveness. A Senate inquiry has revealed that 80% of tobacco consumed in Australia now originates from illegal sources, costing legitimate businesses and the government an estimated $15 billion annually in lost sales and evaded duty. The report highlights the link between the black market and rising violence against retail workers, alongside financial strain on small and regional businesses. Recommendations include an immediate pause on further tobacco excise increases, a review of current excise levels, and the legalisation of regulated nicotine vapes. This represents a major structural challenge for the convenience and impulse retailing sector, demanding urgent government action to address public safety and market integrity. That wraps up today's briefing. To read the full reports and access all source links, visit pureintel.com.au. Thank you for listening.