AI
The AI Tooling Landscape 2026
AI tooling is the stack of software used to build, run, measure, and govern AI systems. The 2026 landscape — from foundation models to the AI visibility layer that measures brand Citation Share.
Tag
Profound
Generative Engine Optimization (GEO)
The Citation Half-Life: Why 89 Percent of AI Visibility Wins Are Gone Within a Month
Only 10.6 percent of URLs cited by AI engines persist across 28 days. Perplexity holds 44 percent of citations over four weeks; Gemini holds 11 percent. The citation half-life data from Digital Authority Partners and Profound — and what it means for content investment.
Public Relations
Burson's Credibility Paradox Study: Leadership Communications Score Lowest on Believability
Burson released The Credibility Paradox on June 2, 2026. Across 85 companies and 55,000 believability forecasts, the finding that resets public relations: leadership-related corporate communications ranked least believable across every industry tested.
AI Communications
Anas Biad and Sequoia's Bet on Answer-Engine Marketing
Sequoia Capital, through partner Anas Biad, has made a significant bet on "answer-engine marketing" with a lead investment in Profound. This article examines why Sequoia sees this as a foundational platform shift in AI communications.