A CMO tried Google's AI tools and stopped using many of them

Jeff Chiu / AP Photo

• The executive used Google's Performance Max, Smart Bidding, and Gemini.
• The CMO found these AI services sometimes disrupted strategies or performed no better than humans.
• Google remains optimistic, adding new AI-driven ad features.

Before another $100 billion or more is spent on AI chips and data centers, it may be wise to pause and consider how strong demand will...