Perplexity AI Machine Accused of Sharing Data With Meta, Google

Perplexity AI Inc. was accused in a lawsuit of surreptitiously sharing the personal information of its users with Meta Platforms Inc. and Alphabet Inc.’s Google in violation of California privacy laws.

As soon as users log into Perplexity’s home page, trackers are downloaded onto their devices, giving Meta and Google full access to the conversations between them and Perplexity’s AI Machine search engine, according to the proposed class-action complaint filed Tuesday in federal court in San Francisco.

This allows Meta and Google “to exploit this sensitive date for their own benefit, including targeting individuals with advertising and reselling their ...