A 304-person advertising experiment found that disclosing AI generation reduced trust in both the ad and the organization. What that means for marketers, creative teams, and smaller businesses.

A 300-customer field experiment raised loyalty-card completion from 19% to 34% without changing the required purchases. The mechanism was visible progress.

Google and Meta are making AI production visible inside ads. A three-experiment study of 700 people reveals why disclosure can weaken loyalty—and how marketers can preserve the human effort customers value.