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Hollywood's leading trade association is demanding that Instagram stop using the famed "PG-13" rating to describe its new content policies for teens.

The Motion Picture Association, which represents the film industry's marquee studios and streaming services, sent a cease-and-desist letter last week to Meta, the parent company of Instagram and Facebook.

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"The MPA has worked for decades to earn the public’s trust in its rating system," Naresh Kilaru, a lawyer for the MPA, said in an Oct. 28 letter to Meta.

"Any dissatisfaction with Meta’s automated classification will inevitably cause the public to question the integrity of the MPA’s rating sys

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