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Mastering AI in marketing, one prompt at a time.

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Alex Lielacher @ Prompt Horizon

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The Ethical Minefield: How to Build Trust in AI-Powered Marketing

Mar 13, 2026

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14 min read

The Ethical Minefield: How to Build Trust in AI-Powered Marketing

Alex Lielacher
Alex Lielacher
Agentic AI in Marketing: From Tools to Autonomous Workflows

Mar 5, 2026

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16 min read

Agentic AI in Marketing: From Tools to Autonomous Workflows

Agentic AI goes beyond strategy development and content creation to planning, executing, and iterating across full campaign workflows.

Alex Lielacher
Alex Lielacher
Building AI Guardrails: How to Prevent Your Marketing AI from Going Rogue

Feb 26, 2026

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15 min read

Building AI Guardrails: How to Prevent Your Marketing AI from Going Rogue

Your AI needs clear guardrails to prevent accidents from happening.

Alex Lielacher
Alex Lielacher
The Human-in-the-Loop: Where AI Ends And You Begin

Feb 19, 2026

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15 min read

The Human-in-the-Loop: Where AI Ends And You Begin

AI needs a human-in-the-loop.

Alex Lielacher
Alex Lielacher
The State of AI in Marketing in 2026

Feb 12, 2026

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14 min read

The State of AI in Marketing in 2026

Jasper dropped a banger report on the state of AI in marketing. Here are the main takeaways!

Alex Lielacher
Alex Lielacher
How to Build a Social Media Marketing Intern (That Never Sleeps)

Feb 8, 2026

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17 min read

How to Build a Social Media Marketing Intern (That Never Sleeps)

What if your best social media person worked 24/7, never ask for time off, and actually enjoy scheduling posts at 6am?

Alex Lielacher
Alex Lielacher
Case Study: How to Build a Full-Funnel AI Workflow for Lead Nurturing

Jan 30, 2026

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13 min read

Case Study: How to Build a Full-Funnel AI Workflow for Lead Nurturing

Learn how Grammarly and Graphisoft have design lead nurturing workflows using AI.

Alex Lielacher
Alex Lielacher
How to Train Your AI for Cultural Nuance: The Next Evolution of the Empathy Algorithm

Jan 22, 2026

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11 min read

How to Train Your AI for Cultural Nuance: The Next Evolution of the Empathy Algorithm

Most LLMs today are trained on English-language data, so when these systems encounter individuals from different cultural backgrounds, they often fall short.

Alex Lielacher
Alex Lielacher
The 'Invisible AI' Strategist: How to Leverage Context-Aware LLMs for Strategic Planning

Jan 15, 2026

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12 min read

The 'Invisible AI' Strategist: How to Leverage Context-Aware LLMs for Strategic Planning

You can build a comprehensive, data-informed marketing plan using AI.

Alex Lielacher
Alex Lielacher
Prompt Horizon

Prompt Horizon

Mastering AI in marketing, one prompt at a time.


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