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Every morning, Elifunt expertly selects and delivers only the news marketers absolutely need to know. From AI search, SEO, and GEO to advertising, social media, and platform updates, we have quickly summarized the key points based on official announcements and major media sources.

2026.10.30[10/30 Marketing Briefing] Tracking 37,000 AI Citations, 50–83% Disappear the Next Day.As a result of Ahrefs tracking 37,500 AI citations for 20 days, 50–83% disappeared the next day, and approximately 75% returned. Here is a summary of marketing news for October 30, including the YouTube citation report, a HubSpot CMO interview, and Google Merchant API updates.