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Can You Guess Which Test Won?

Human-created or AI-generated copy: which won?

Human-created copy: Enjoy the lowest
citi-version-a-enjoy-smClick here to enlarge
AI-generated copy: Save with the lowest
Click here to enlarge

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Difference Between Versions:

Version AHuman-created copy. Promotional email with blue header copy stating "Enjoy the lowest" rate and other changes throughout
Version B AI-generated copy. Similar promotional email. Header copy stated "Save with the lowest" rate and additional changes throughout

Key Performance Indicator (KPI):

Clickthrough Rate (CTR)

Test Goal:

Increase clicks from the email into the credit card application page

Traffic Source:

Existing email list


Citi bank customers potentially interested in getting a new credit card


Citi Group: the global financial institution

This week’s Featured Test is brought to you by:

Test Run By and For:

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