# AI News Digest - 2025-11-21

1. OpenAI launched "ChatGPT for Teachers," a free version of its ChatGPT service for verified K‑12 teachers in the United States.

2. OpenAI added group chat functionality to ChatGPT and tested the feature in Japan, South Korea, Taiwan, and New Zealand.

3. Splunk (a Cisco company) said agentic AI required a data fabric that integrated machine data to support digital resilience, and it recommended federated architectures and human oversight to mitigate errors and security risks.

4. Microsoft and NVIDIA said AI‑powered digital twins enabled manufacturers to simulate and optimize entire production lines, and Sight Machine reported rising AI deployment in manufacturing with larger firms leading adoption.

# References

1. [https://the-decoder.com/openai-launches-chatgpt-for-teachers/](https://the-decoder.com/openai-launches-chatgpt-for-teachers/)

[OpenAI launches "ChatGPT for Teachers"](https://the-decoder.com/openai-launches-chatgpt-for-teachers/)

1. [https://the-decoder.com/openai-launches-group-chats-in-chatgpt-worldwide/](https://the-decoder.com/openai-launches-group-chats-in-chatgpt-worldwide/)

[OpenAI launches group chats in ChatGPT worldwide](https://the-decoder.com/openai-launches-group-chats-in-chatgpt-worldwide/)

1. [https://www.technologyreview.com/2025/11/20/1127941/designing-digital-resilience-in-the-agentic-ai-era/](https://www.technologyreview.com/2025/11/20/1127941/designing-digital-resilience-in-the-agentic-ai-era/)

[Designing digital resilience in the agentic AI era](https://www.technologyreview.com/2025/11/20/1127941/designing-digital-resilience-in-the-agentic-ai-era/)

1. [https://www.technologyreview.com/2025/11/19/1128067/scaling-innovation-in-manufacturing-with-ai/](https://www.technologyreview.com/2025/11/19/1128067/scaling-innovation-in-manufacturing-with-ai/)

[Scaling innovation in manufacturing with AI](https://www.technologyreview.com/2025/11/19/1128067/scaling-innovation-in-manufacturing-with-ai/)

For the site tree, see the [root Markdown](https://ixtj.dev/.md).
