CA AB3339

Prohibits operators of platforms directed to children from incorporating auto-play settings, push alerts urging engagement, displays of user engagement metrics, design features encouraging purchases or excessive use, and badges or visual reward symbols.

Prohibits operators from amplifying or promoting content involving sexual material, violence, bullying, gambling, or other dangerous or exploitative content to users under 16 years old, and requires implementation of a reporting mechanism for suspected violations.

Prohibits directing host-selling content, program-length advertisements, branded content, native advertising, and product placement to users under 16; also restricts advertising of alcohol, nicotine, and tobacco products to minors.

Requires operators to use age verification information only for age verification purposes and mandates Attorney General promulgation of regulations by January 1, 2026 requiring visual indicators distinguishing commercial content and public content records.

Requires annual audits of the 25 largest child-directed platforms by number of users under 16, with the first audit completed by January 1, 2027; violations constitute unfair competition under California law.