
David Clark
@TheDaveClark
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3x founder, 1x exit, ex-Amazon. Follow to learn how to built better automations with AI Building Joy, VC-backed AI tools for real estate
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Joined March 2011
90% of founders waste years building products nobody wants. They all skip the ONE question that matters most. Answering it is how I got strangers on Reddit to pay me for an 'AI' startup before even having a product. The "reverse launch" method—get paid first, build second: 🧵
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Bookmark this post so you can revisit in the future. If this framework helped you, follow @thedaveclark for more AI automation and startup insights. I share strategies from building with AI at Amazon and my VC-backed startup. RT the first tweet to help others master AI.
Most AI prompts break in production. Not because they're bad prompts. Because they ask too much. After 1000+ hours building AI systems, here's what actually works (& what Einstein had to say about prompting LLMs)
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Framework Rule #8: Freeze & Test. Most models auto-update by default:. - Freeze your model version.- Build regression tests.- Test EVERY prompt change. A "minor" version release can break your workflow. Treat prompts like production code. Source control + unit tests on changes.
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Framework Rule #7: Output Constraints. Force structure with:. - JSON schemas.- Numbered lists.- Character limits.- Required fields. Constraints paradoxically improve quality. The LLM knows exactly what success looks like.
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Framework Rule #6: Turn Down the Temperature. Temperature controls randomness. For consistency:.- Business logic / Critical decisions: 0-0.2.- Some variation (email templates, product descriptions): 0.3-0.6.- Creative tasks: 0.7+. Lower temp = more predictable outputs.
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Framework Rule #5: Eliminate Logical Conflicts. Your prompt can't contradict itself. Example:.❌ "Be extremely detailed but keep it under 50 words".❌ "Use formal language but sound casual and friendly". ✅ Fix: "Use 50 words. Include price, timeline, and next steps.".
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Framework Rule #4: Write in the Affirmative. Tell the LLM what TO do, not what NOT to do. LLMs follow instructions better than restrictions. ❌ "Don't be verbose or use technical jargon".✅ "Use simple words. Write sentences under 15 words.". Positive instructions = consistency.
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Framework Rule #3: Be Painfully Explicit. LLMs don't infer. They predict. Every ambiguity = inconsistency. Example:.❌ "Summarize this briefly".✅ "Summarize in exactly 3 bullet points, each 15 words maximum".
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Framework Rule #2: Make a PACT. P - Persona: Give your LLM a specific role.A - Action: Define ONE clear action.C - Context: Provide relevant background.T - Template: Structure the output format. This primes the model's internal weights to better complete the task at hand. P -.
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Framework Rule #1: Ask Less of Your LLM. ❌ Bad: "Take this customer support ticket, classify, prioritize, route, and write a response". ✅ Good: Break prompt into micro-tasks:. Prompt 1: Classify the ticket type.Prompt 2: Triage.Prompt 3: Route to team.Prompt 4: Draft response.
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Figma's IPO today was a short-term win but a long-term mistake for Wall Street. Watching $3B of market value flow straight to middlemen just inspired tech’s next wave of direct listings.
Time for a quick rant on the deeply broken IPO process. @bgurley has been beating this drum for years, but I don't think anything paints the picture quite as clearly as the Figma IPO. Figma tripled in its IPO debut, leaving ~$2B+ on the table. That value solely accrued to the
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