Top 20 AI marketing stories, 25 to 28 May 2026

Why it matters

The week AI stopped being a marketing tool and became a marketing channel: OpenAI's self serve Ads Manager in beta with no minimum spend, alongside Google's Conversational Discovery ads from 20 May. Content that performs in AI indexed formats, structured, factual, authentic, is what gets surfaced in conversational search, which changes how creator scripts should be built.

The source