If age isn't verified, Google will turn on YouTube Digital Wellbeing tools (which include things like bedtime and break reminders and safeguards on content recommendations), disable Timeline in Maps, turn off personalized advertising, and prevent the user from accessing Google Play apps intended for adults.

YouTube is rolling out a new AI that tries to guess whether you're an adult or a teen. If it determines you're underage, it will apply protections to your account—and it's on you to fix it if it's wrong.

YouTube will no longer take your word for it when you enter your birthday. On Tuesday, the platform announced that it will be rolling out new age-estimation tools that will attempt to verify a person’s age based on a variety of indicators as part of an attempt to keep younger users from accessing more adult content and deliver “age-appropriate product experiences and protections.