Add Merriam-Webster and Encyclopedia Britannica to the growing list of companies suing AI company Perplexity for allegedly misusing its content. The companies behind the well-known dictionary and encyclopedia have filed suit in New York federal court, accusing Perplexity of copying their material without permission and using it in its " answer engine ." The suit claims that the system, which is being marketed as an alternative to Google and other search engines, gives users a "free ride" on the work of th ...