If Web users don't pay to search, how do search engines make money? In the third report in a five-part series about Internet search engines, NPR's Rick Karr traces the ways companies such as Google and Yahoo earn cash.
Copyright 2004
Rick Karr contributes reports on the arts to NPR °µºÚ±¬ÁÏ. He is a correspondent for the weekly PBS public affairs show Bill Moyers Journal and teaches radio journalism at Columbia University.