Field notes

Automation

2026.10.11

AI models, distrusted by design

A company should rely on the controls around AI, as it does with its most powerful insiders. Microsoft’s CEO calls for limits, logs and human oversight placed beyond its reach. The most trustworthy system is the one that needs to trust the model least.

2026.10.7

Copilot adds new value to Word and Excel

Microsoft has integrated AI with its office applications and business systems. More than 450 million people use them at work as you read. Office now opens inside Copilot: text documents, spreadsheets and presentations can be edited there and stay in sync with the desktop applications.