Summary
AI search engine Perplexity's citations overlap 60% with Google's top 10 organic results. Healthcare has the highest overlap at 82%, while restaurants have the lowest at 27%. Google and Perplexity differ due to their data sources: Google uses its own data, while Perplexity cites Yelp, Yahoo, MarketWatch, and Barrons. Perplexity's user base and referrals have grown significantly, with a 40% month-over-month increase.