Google didn’t immediately respond to a request for comment.
The letter comes as big tech companies are increasingly under fire in regard to child safety on their platforms.
Google has received blowback in the past for its treatment of children on its services.
The letter follows another push by Castor for child safety from Silicon Valley companies.
In September, she introduced theKids Internet Design and Safety, or KIDS, Act, in the House.
The bill bans “auto-play” sessions on websites and apps geared for children and young teens.
