AI Business Weekly News Rundown: 💰‘Vibe revenue’: AI companies admit they’re worried about a bubble 🤖 Meta will now grade employees on their AI skills 🤖 McKinsey report reveals AI’s reality check ✅ OpenAI fixes ChatGPT's em dash problem | AI Unraveled: Latest AI News, ChatGPT, Gemini, Claude, DeepSeek, Gen AI, LLMs, Agents, Ethics, Bias | Podwise