India, Sept. 4 -- The growing concern over children's screen and social media use is now translating into action, with governments and tech companies being pushed to put limits on how young users engage with these platforms. In March, WhatsApp launched a new set of parent-supervised accounts for users under the age of 13. In a historic $18 billion settlement that Meta reached with 48 US states in August, it agreed to strengthen its age estimates to keep kids under 13 off Facebook and Instagram, and teens in age-appropriate accounts, enact a hard limit of two hours a day for users under 18, block kids from the apps from midnight to 6 a.m., and hide "like" counts, among other changes. As part of a latest move, New York City Mayor Zohran Mam...