
Citation Share Decay: Why Answer Engines Forget Your Brand in 60 Days (2026 Data)
AI engines re-rank constantly. Citation Share earned today decays within weeks. AEO is a cadence discipline, not a campaign. Here is the math.

AI engines re-rank constantly. Citation Share earned today decays within weeks. AEO is a cadence discipline, not a campaign. Here is the math.

When an AI engine answers a buying question, the brand it names just ran an ad. The brand it omitted paid for the impression. Welcome to AEO.

Citation Share shows who gets mentioned. Agent Share shows who gets picked. In agentic AI buying, that is the only share that matters.

The first Bollywood AI Visibility Index. 30 Indian stars scored across ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews. Methodology, full ranking, the South India blind spot.

The technology research franchises that earn press: Salesforce, HubSpot, Microsoft, IBM, Cisco, Adobe, Gartner, Deloitte, and McKinsey, and how brands use them.

The hotel and travel research franchises that earn press: J.D. Power, STR, Skift, Hilton, Marriott, Booking.com, Expedia, and Airbnb, and how brands use them.

The food and beverage research franchises that anchor earned media: IFIC, NRA, FMI, Mintel, Datassential, Circana, and Kerry, and how brands use them.

Twenty-five years of operator-level reads. Nine validated predictions on the dated public record — Bennett, Uber, Instagram, chatbots before ChatGPT, the Jenner girls. The tenth call: AI Communications, GEO, and Citation Share. Three predictions that will land much faster.

25 Brazilian brands. 5 frontier AI engines. Tier-band assessment of how each company surfaces in ChatGPT, Claude, Perplexity, Gemini, Google AI Overviews. Industrials dominate. Fintech under-indexes. Full quantitative Index v2 ships Q1 2027.
Sprite owns 62.87% of U.S. lemon-lime dollar share — up from 50.91% in March 2024. Starry has fallen to 2.52%. The hip-hop citation moat, the NBA layer, and the share table mapped.