Expression Signals as Action Instructions for Customer Agents

The next evolution of customer intelligence is not human-to-dashboard. It is agent-to-agent.
Imagine a company's Customer Success Agent, Marketing Agent, or Retention Agent wants to understand a customer better. Instead of sending a survey, it calls ReadingMinds through an API and asks Emma to conduct an interview. Emma speaks with the customer, asks adaptive questions, and returns structured findings. The real value is not just the transcript.
Every answer is tagged with an expression signal: Sad, Angry, Confrontational, Neutral, Cheerful, or Enthusiastic. These labels describe how a response is expressed in the conversation, not what a person privately feels.
These signals become behavioral instructions that the requesting agent can use when deciding how to engage the customer next.
What Each Expression Signal Tells the Agent
Sad
A Sad response indicates disappointment, loss, or concern being expressed. The agent should respond supportively, acknowledge the issue, and prioritize resolution-oriented communication.
Angry
An Angry response signals a serious problem requiring immediate attention. The agent should remain calm, address the issue directly, and focus on corrective action for the stated problem rather than persuasion.
Confrontational
A Confrontational response suggests disagreement, skepticism, or resistance. The agent should fully acknowledge that there is an issue, engage directly with that concern, provide objective evidence where appropriate, and avoid defensive or overly promotional language.
Neutral
A Neutral response signals that the customer is communicating information without strong positive or negative expression. The agent should focus on clarity, facts, and efficient communication.
Cheerful
A Cheerful response suggests a positive interaction. The agent should reinforce successful outcomes, acknowledge satisfaction, and look for opportunities to deepen engagement.
Enthusiastic
An Enthusiastic response identifies moments of strong positive expression. The agent should explore advocacy opportunities, referrals, testimonials, upsell conversations, or expansion potential.
Machine-Readable Guidance for an Agentic Future
In an agentic future, expression signals are not merely analytics. They are machine-readable guidance that helps one AI agent understand how another human being is expressing themselves, enabling more effective, personalized customer interactions at scale.
You can see how we handle the underlying data, retention, and the boundaries on what these signals represent in our Trust & Compliance Center.
Start a free 3-minute Live Test Drive and hear what an expression-tagged interview sounds like.
About the author

Stu Sjouwerman
CEO and Co-Founder, ReadingMinds.AI
Stu founded KnowBe4 in 2010 and grew it into the world's largest security-awareness training platform before its acquisition by Vista Equity Partners in 2023. He co-founded ReadingMinds with Marcio Castilho and Alin Irimie, the same leadership team that built KnowBe4. Author of the USA Today bestseller Agent-Powered Growth and a regular contributor to Forbes Tech Council and Greenbook on AI, agentic marketing, and customer intelligence.
Know what your customers feel. Not just what they say.
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