California Legislature Wraps 2025 Session: What Advertisers Need to Know About Privacy & AI Bills

Once again, California has positioned itself at the center of the national data and AI policy conversation, closing its 2025 session with a late-night sprint on September 12 that advanced a slate of privacy and tech measures. The  state legislature approved bills spanning everything from health-related location data protections to stronger universal opt-out signal requirements and expanded data broker disclosures — measures that could impact how audience data is sourced, shared, and measured across campaigns.

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