AI Weekly News Rundown: 📉ChatGPT growth slows as daily usage declines 🤖Instagram lets parents block kids from AI characters 🇺🇸 Nvidia Blackwell chip production starts in the US & 🪄No Kings (Oct 13 to Oct 19 2025)

AI Unraveled: Latest AI News, ChatGPT, Gemini, Claude, DeepSeek, Gen AI, LLMs, Agents, Ethics, Bias - AI Weekly News Rundown: 📉ChatGPT growth slows as daily usage declines 🤖Instagram lets parents block kids from AI characters 🇺🇸 Nvidia Blackwell chip production starts in the US & 🪄No Kings (Oct 13 to Oct 19 2025)