Meta child-safety trial in California: A landmark federal case in Oakland is set to hear arguments that Meta designed Facebook and Instagram to be addictive for children, with California and three other states seeking about $200 billion in penalties and app changes; Meta is fighting key witnesses and disputes claims about “dark patterns.” Privacy enforcement meets engineering reality: A new look at U.S. privacy crackdowns highlights how opt-out tools often fail across devices, brands, and apps—an issue regulators say must be fixed, not just promised. AI infrastructure in California’s orbit: OpenAI plans a major U.S. data-center lease backed by Nvidia, with the deal tied to large-scale power buildout—another sign of how AI growth is reshaping energy and construction priorities. Mobility tech policy update: California DHCS changed prior authorization rules for complex rehab wheelchair repairs, cutting bureaucracy when monthly repair/parts costs stay at or below $2,500. E-bike safety crackdown: A California prosecutor is pursuing criminal charges against some parents after child crashes, as states scramble over patchwork rules for electrified bikes. Earthquake readiness talk: UC Davis research and local emergency guidance revisit how Californians should prepare for the next “big one,” given the limits of prediction.