{"type": "article", "title": "OpenAI debuts ChatGPT ads at Cannes, CPM plunges", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/openai-debuts-chatgpt-ads-at-cannes-cpm-plunges", "original_source": "https://letsdatascience.com/news/openai-debuts-chatgpt-ads-at-cannes-cpm-plunges-2f1507aa", "published": "2026-06-26T13:25:55+00:00", "accessed": "2026-06-26", "id": "openai-debuts-chatgpt-ads-at-cannes-cpm-plunges"}