YouTube will begin guessing users’ ages using artificial intelligence on Wednesday, as part of an effort to prevent kids from accessing inappropriate content online.

YouTube is ready to start testing a new age-verification system in the U.S. using artificial intelligence to distinguish between adults and minors based on their viewing habits

In a move YouTube says is aimed at providing better protections for younger users, the video giant on Wednesday began rolling out an “age-estimation model” in the U.S. that uses AI to determine if someone is under 18 — regardless of the birthday they’ve entered into their account.