Car and Driver published its first issue in 1955. MotorTrend, in 1949. The category authorities in automotive media span eight decades. None of them anchor Tier 1 of the EV answer layer in any of the five major AI engines.
Four sportsbooks. Four Reddit positions. How DraftKings, FanDuel, BetMGM, and Caesars are fighting r/sportsbook for the AI citation layer that now ranks gambling brands.
Four automakers. Four Reddit positions. How Tesla, Toyota, Ford, and GM win or lose the AI citation layer that now answers which car to buy.
Four tech brands. Four Reddit playbooks. How Microsoft, Nvidia, Stripe, and Tesla win — or lose — the AI citation layer that decides B2B and B2C tech buying.
Reddit is the most-cited consumer source in AI engines after Wikipedia. The full operating manual for brand communicators — by Ronn Torossian.
Reddit licensed its corpus to OpenAI for a reported $60M/year in 2024. Retail-investor vocabulary from r/wallstreetbets and FinTwit now leaks into the AI summaries buy-side analysts read before opening Bloomberg.
A-list status is now built by a synthesis layer running over Wikipedia, IMDb, Rotten Tomatoes, Metacritic, Letterboxd, and Box Office Mojo. The chatbox is the new red carpet. The file is the new fame.
The inaugural Reddit Citation Share Index 2026 — which subreddits ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews actually cite across crypto, finance, wellness, and B2B. 4,000 observations. Perplexity leans hardest. Claude lightest.
The Fintech AI Visibility Hub — master index of the standing 5W Citation Share Indexes across stablecoins, neobanks, payments processors, BNPL, and the Reddit source layer. Same locked methodology. Quarterly. Comparable across the franchise.
Reddit. Wikipedia. .gov sources. The category-native trade publication. The named individual practitioner. Five source types appear in the top-10 cited sources for virtually every industry vertical — and what each means for a GEO program.