Meta Retreats on Open-Source AI, Big Tech's AI Spending Sparks Concerns, Google Appoints First AI Architect, Optical AI System Revolutionizes Computing, and more...

(0:10): Meta Retreats on Open-Source AI Amid Chinese Competition and Safety Concerns(2:10): Big Tech's $330 Billion AI Spend Sparks Investor Concerns Over Sustainability and Growth(4:44): Google Appoints First Chief AI Architect to Propel Gemini AI Integration Across All Products(6:45): Revolutionary Optical AI System Outpaces Traditional Computing with Light-Based Speed and Efficiency(8:58): Andrej Karpathy Launches 'PayoutChallenge' to Boost AI Safety Funding and Ethical DevelopmentTo subscribe visit https://www.brief.news.For more updates in your inbox each morning visit www.brief.news. Image credit: Tech Edition