5W Releases the US Restaurants & Chains AI Visibility Index 2026: McDonald's, Starbucks and Chick-fil-A Own the Answers Inside a $437 Billion Industry

New 5WPR Research ranks the top 25 US restaurant chains by AI citation share across ChatGPT, Claude, Perplexity and Google AI Overviews — and finds the fast-casual era ending in real time MIAMI, June 30, 2026 /PRNewswire/ -- 5W, the AI Communications Firm, today released the US...

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