California will force platforms to show daily mental‑health warnings to under‑18 users, and unskippable 30‑second warnings after three hours of use, repeating each hour. This imports cigarette‑style labeling into product UX and ties warning intensity to real‑time usage thresholds.
— It tests compelled‑speech limits and could standardize ‘vice‑style’ design rules for digital products nationwide, reshaping platform engagement strategies for minors.
BeauHD
2025.12.02
75% relevant
The finding that smartphone ownership at 12 strongly associates with insufficient sleep and depression bolsters policy proposals that tie user‑experience limits or mandated warnings to age and duration—precisely the lever underlying proposals for time‑based warnings and age gating in schools and platforms.
msmash
2025.12.01
75% relevant
Rather than labelling or warning, Singapore is using time‑of‑day and location limits (school day, earlier PLD sleep timer) as regulatory levers to influence youth device use — a related governance approach that treats temporality as a policy instrument to protect adolescent wellbeing.
Bob Grant
2025.12.01
60% relevant
Because the study shows benefits from cutting daily use to about 30 minutes, it bears on policy experiments such as time‑based warnings or usage thresholds for minors; the Nautilus article makes the empirical case that such time‑bound interventions are plausible levers for regulators and platforms.
msmash
2025.10.13
100% relevant
AB 56 mandates a skippable 10‑second daily warning and unskippable 30‑second hourly warnings after three hours on social media for minors.