YouTube on Tuesday announced it’s beginning to roll out age-estimation technology in the U.S. to identify teen users in order to provide a more age-appropriate experience. The company says it will use a variety of signals to determine the users’ possible age, regardless of what the user entered as their birthday when they signed up for an account. When YouTube identifies a user as a teen, it introduces new protections and experiences, which include disabling personalized advertising, safeguards ...