Pritzker Signs Illinois Law Curbing Algorithmic Feeds for Minors

Illinois just told recommendation engines to stop learning from kids. Gov. JB Pritzker signed House Bill 5511, the Children's Social Media Safety Act, which bars social platforms from using a minor's viewing history or stored device data to personalize feeds, requires age verification through the device operating system, and blocks notifications to minors between 10 p.m. and 7 a.m. Capitol News Illinois reports the bill passed both chambers unanimously and takes effect in 2028.

The mechanic is what's interesting for anyone building ranking systems. For accounts flagged as minors, feeds can only surface content the user requested, posts from creators they follow, and direct messages. That is a hard prohibition on the behavioral loop most modern feeds are built around, not a reasonable-steps nudge. Pritzker's framing was blunt: their algorithms, he said, learn what captures a child's attention, "which most often seems to be anger and euphoria, and then the algorithm keeps feeding them more of it." Enforcement sits with Attorney General Kwame Raoul, who has already joined lawsuits against Meta and TikTok alleging addictive design targeting children. Penalties reach $2,500 per child for unintentional violations and $7,500 per child for intentional ones.

The piece worth watching beyond Illinois is where the compliance burden lands. Routing age verification through the device operating system makes Apple and Google the reference point every platform depends on, which quietly shifts leverage inside the app-store relationship. It also creates a design brief for a class of teen products that were previously optional and now become the default: chronological, follows-only, no cross-session behavioral personalization.

The honest caveat is that the reporting doesn't spell out how the OS-level age signal is going to work in practice, how "viewing history" will be defined when the platform can still see what a minor follows and requests, or whether the coalition that opposed the bill (the ACLU, Illinois Chamber of Commerce, TechNet and the Motion Picture Association) will try to enjoin it before the effective date. Similar state laws elsewhere have been paused by federal courts, and the ACLU's presence in the opposition column is a signal rather than a coincidence.

The two-year runway is the useful part. Product and policy teams at recommendation-driven platforms have a real window to build minor-mode stacks that do not rely on behavioral signals, and vendors selling age-assurance infrastructure have a state-scale customer to design for. Treat 2028 as a design deadline, not a reprieve.