[2/21 13:00] Alibaba Qwen Bubble Tea Giveaway / xAI Grok 4.20 Four-Agent Architecture

AI News Flash for February 21, 2026 at 13:00 UTC. Topics: 1. Alibaba Qwen Bubble Tea Giveaway https://quasa.io/media/chaos-in-china-s-bubble-tea-shops-alibaba-s-qwen-ai-giveaway-sparks-massive-queues-and-tops-app-store-charts 2. xAI Grok 4.20 Four-Agent Architecture https://www.nextbigfuture.com/2026/02/xai-launches-grok-4-20-and-it-has-4-ai-agents-collaborating.html 3. Microsoft AI Recommendation Poisoning https://startupnews.fyi/2026/02/21/summarize-with-ai-buttons-used-to-poison-ai-recommendations/ 4. Archer Aviation x NVIDIA IGX Thor https://www.investors.archer.com/news/news-details/2026/Archer-To-Build-Next-Wave-of-Aviation-AI-Technology-With-NVIDIA-IGX-Thor/default.aspx