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AIAI
+4+4
Show the cost of each AI prompt
Sep 01, 2026

Show the cost of each AI prompt

People write better AI prompts and are happier with the results when they’re aware of the cost (vs seemingly unlimited usage).

Thomas McKinlay
Thomas McKinlay
AIAI
+3+3
AI-written reviews are more extreme
Aug 11, 2026

AI-written reviews are more extreme

AI makes customers write more and longer reviews, but negative ones are also more extreme.

Thomas McKinlay
Thomas McKinlay
AIAI
+3+3
Use AI bots to reply to followers
Aug 04, 2026

Use AI bots to reply to followers

Replying to social media comments using AI bots (vs not replying at all) increased future engagement by up to 43%

Thomas McKinlay
Thomas McKinlay
AIAI
+3+3
When AI chatbots boost vs hurt sales
Jul 14, 2026

When AI chatbots boost vs hurt sales

AI chatbots increase purchase intention when products are hard to evaluate (e.g. choose from many sizes and styles). If products are easy to evaluate, they just get in the way.

Thomas McKinlay
Thomas McKinlay
AIAI
+3+3
“Made with AI” gets lower engagement
Jun 30, 2026

“Made with AI” gets lower engagement

People feel less connected to creators who use AI, and engage less with their content.

Thomas McKinlay
Thomas McKinlay
AIAI
+2+2
When AI-written messages backfire
Jun 09, 2026

When AI-written messages backfire

Emotional messages written by AI hurt word-of-mouth by up to 24% and make people see the company as dishonest.

Thomas McKinlay
Thomas McKinlay
Customer ExperienceCustomer Experience
+3+3
Humor makes it easier to forgive AI mistakes
May 26, 2026

Humor makes it easier to forgive AI mistakes

People are up to 47.8% more forgiving of AI’s mistakes when the AI uses self-deprecating humor (e.g. “My non-brain just froze”) vs no humor.

Thomas McKinlay
Thomas McKinlay
AIAI
+2+2
Special case study: The 2 steps to effective chatbots
Apr 17, 2026
Premium

Special case study: The 2 steps to effective chatbots

How to design an ecommerce AI chatbot your customers will love, using insights from our Wharton Blueprint for Effective AI Chatbots.

Thomas McKinlay
Thomas McKinlay
AIAI
+4+4
What biases AI agents to choose your product
Apr 14, 2026

What biases AI agents to choose your product

Optimizing your website for AI buying agents can drastically increase the likelihood they choose your product (e.g. tweaking a product title increased choice by 80 percentage points).

Thomas McKinlay
Thomas McKinlay
AIAI
+3+3
AI-driven traffic isn’t (yet) as good as it’s hyped to be
Apr 07, 2026

AI-driven traffic isn’t (yet) as good as it’s hyped to be

Research on 164m sales across 973 ecommerce websites finds that AI traffic drives more revenue per session than paid social, but less than any other channel. This gap is smaller for complex products.

Thomas McKinlay
Thomas McKinlay
AIAI
+3+3
‘AI-designed’ hurts sales
Mar 17, 2026

‘AI-designed’ hurts sales

People are up to 29% less willing to buy products designed by AI (e.g. a chair, a snack flavor), compared to those designed by humans.

Thomas McKinlay
Thomas McKinlay
Customer ExperienceCustomer Experience
+3+3
When using AI bots turns customers away
Jul 22, 2025

When using AI bots turns customers away

People are up to 30% more likely to stop using a service if it’s delivered by AI or robots (vs a human) when warmth is important to satisfaction (e.g. hospitality).

Thomas McKinlay
Thomas McKinlay
3-min AI & marketing recommendations from the latest scientific research. Join 30,000+ marketers, for $0.

Science Says

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