Boston — Massachusetts' highest court heard oral arguments Friday in the state's lawsuit arguing that Meta designed features on Facebook and Instagram to make them addictive to young users.

The lawsuit, filed in 2024 by Attorney General Andrea Campbell, alleges that Meta did this to make a profit and that its actions affected hundreds of thousands of teenagers in Massachusetts who use the social media platforms.

“We are making claims based only on the tools that Meta has developed because its own research shows they encourage addiction to the platform in a variety of ways,” said State Solicitor David Kravitz, adding that the state's claim has nothing to do the company's algorithms or failure to moderate content.

Meta said Friday that it strongly disagrees with the allegations and is “c

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