AZ HB2858

Requires social media platforms accessible to minors in Arizona to establish default settings providing high privacy protections to users.

Allows minors to opt out of collection and use of their personal information beyond what is necessary for platform operation.

Prohibits use of minors' personal information for targeted advertising, except based on age and location only.

Defines "social media platform" as public or semipublic internet services where users interact socially, construct profiles, and share content, excluding email, news, educational platforms, and research services.

Takes effect ninety days after the general effective date and is formally titled the "Protecting Children on Social Media Act."