
Write About Now The Best Ways to Use AI Writing Tools
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Jan 2, 2025 Christopher S. Penn, data scientist and co-founder of Trust Insights, helps marketers integrate AI into workflows. He explains how large language models work. He shares his RAPPEL prompt framework. He compares top tools like ChatGPT, Claude, and Gemini. He tackles ethics, copyright, and practical uses for editing, research, and publishing.
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AI As A Collaborator Not A Replacement
- Christopher S. Penn says AI is not a replacement for writers but an extraordinarily capable collaborator when used properly.
- He compares AI to a smart, cheap intern that needs clear instructions and human oversight to produce useful work.
Use The RAPPEL Prompt Framework
- Use the RAPPEL prompt framework: Role, Action, Prime, Prompt, Evaluate, Learn to get reliable results from LLMs.
- Prime models by asking what they know first, then issue the task, evaluate the output, and convert learnings into reusable system instructions.
Use LLMs For Developmental Editing
- Use LLMs for developmental editing by asking them to act as an editor and list coherence, grammar, and structural issues.
- Christopher runs a long prompt for developmental editing that pinpoints transitions, logic gaps, and grammar errors.

