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AI Prompt Test: How Structure Impacts Email Copy

AI Prompt Test: How Structure Impacts Email Copy

by Jeannette Castañeda | Apr 25, 2025 | AI Marketing and Lifecycle Journeys: 2025 Series, AI Marketing Prompt Lab, Lifecycle

I set out to test tone. What I discovered? The prompt itself can make or break your copy. This all started with a casual test. I wanted to see how tone impacted AI-written emails. But the results? They revealed something much deeper. Welcome to the first of many...
Behind the Screens: AI Prompt Testing

Behind the Screens: AI Prompt Testing

by Jeannette Castañeda | Apr 18, 2025 | AI Marketing and Lifecycle Journeys: 2025 Series, AI Marketing Prompt Lab

The Prompt Engineering Challenge Ever asked an AI for something specific only to get a completely different result? You’re not alone. The idea is simple: learn how to write better prompts. But as anyone who’s tinkered with AI knows, “simple” is...
Email Segmentation Glow-Up (Thanks, AI)

Email Segmentation Glow-Up (Thanks, AI)

by Jeannette Castañeda | Apr 4, 2025 | AI Marketing and Lifecycle Journeys: 2025 Series, Segmentation

Instead of slicing up static lists by age or industry, you could be shaping living, breathing audience segments. These segments adapt in real time, learn from behavior, and predict what your customers want before they do. Just like Netflix suggests your next...
AI-Powered Lifecycle Marketing, Part 2: Future-Proofing Your Strategy

AI-Powered Lifecycle Marketing, Part 2: Future-Proofing Your Strategy

by Jeannette Castañeda | Mar 31, 2025 | AI Marketing and Lifecycle Journeys: 2025 Series, Segmentation

This article is Part 2 of a two-part series that builds on my original post, AI-Driven Lifecycle Marketing. I’ve split the original into two shorter, more focused reads to make the content easier to navigate, especially for busy marketing teams exploring AI tools. The...
AI-Powered Lifecycle Marketing: Current Tools and Tactics

AI-Powered Lifecycle Marketing: Current Tools and Tactics

by Jeannette Castañeda | Mar 27, 2025 | AI Marketing and Lifecycle Journeys: 2025 Series

This article is Part 1 of a two-part series that builds on our original post, AI-Driven Lifecycle Marketing. I’ve split the original into two shorter, more focused reads to make the content easier to navigate, especially for busy marketing teams exploring AI tools....
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About Jeannette

Jeannette is an email strategist and lifecycle marketer. She loves clean data, good copy, and inboxes that actually convert. She writes from the intersection of curiosity, compassion, and conversion. When she’s not decoding journeys, she’s probably cooking, writing, or binge-watching Jeremy Brett’s Sherlock Holmes (again).



Email Marketing Topics

  • Accessibility
  • AI Marketing and Lifecycle Journeys: 2025 Series
  • AI Marketing Prompt Lab
  • Analytics
  • Automation
  • Design
  • Email Marketing
  • Lifecycle
  • Segmentation
  • Strategy

Who I Am

Jeannette Castañeda, MA, MS

I'm an #emailgeek, a marketer and designer who believes marketing can be a force for good.
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© 2025 Jeannette Castañeda, Inbox P.I.