(April 2, 2024, 9:54 AM EDT) -- SAN FRANCISCO — Imposing liability on companies that used information posted to the internet by “hundreds of millions of Americans” to train artificial intelligence would be unprecedented, and the plaintiffs in a putative class action have not shown that the alleged conduct violated underlying laws required for California unfair competition law (UCL) claims or that that they incurred an injury as required to proceed with those and other claims, Microsoft and OpenAI entities argue in reply briefs filed in California federal court in support of dismissal....