Former Google ads boss Sridhar Ramaswamy says that we live in a world that seems to give out free content when we use a search engine. But that world comes with a hidden cost--search results that distort what we find and serve advertisers rather than searchers. Ramaswamy talks with EconTalk host Russ Roberts about how Google works and why he started a new search engine, Neeva, with a different business model.