Personal Agent Protocol: When customers send AI

Personal Agent Protocol: When customers send AI

By Scott Sumner | AI at Work | Published October 7, 2026Your next customer interaction might arrive through a personal AI assistant. Sierra and Meta’s newly announced Personal Agent Protocol makes a practical question harder to ignore: how will your business...
AI regression testing: Keep the jobs that worked

AI regression testing: Keep the jobs that worked

By Scott Sumner | AI at Work | Published October 6, 2026An AI upgrade can improve the demo and still make an existing task worse. Before changing a model, prompt or connected knowledge source, keep a small set of examples that show what already works. AI regression...
Prompt injection: When a document gives AI orders

Prompt injection: When a document gives AI orders

By Scott Sumner | AI at Work | Published September 29, 2026A document your AI assistant reads should not get to change its job. Prompt injection is a practical business risk when outside content can influence an assistant that also has access to private data or tools....