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With Attitude

AI Product Manager turning everyone into AI builders. Substack Bestseller. I run a 10K+ community at https://karozieminski.substack.com/

Location Denmark Joined Joined on  Personal website https://karozieminski.substack.com/
Anthropic Shipped Cowork in 10 Days Using Its Own AI. Here's Why That Changes Everything.

Anthropic Shipped Cowork in 10 Days Using Its Own AI. Here's Why That Changes Everything.

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2 min read
How Boris Cherny, Builder of Claude Code, Uses It — And Why That Should Change How You Think About AI

How Boris Cherny, Builder of Claude Code, Uses It — And Why That Should Change How You Think About AI

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4 min read
ChatGPT 5.2 vs 5.1: Reliability, Instruction Persistence, and What Actually Changed

ChatGPT 5.2 vs 5.1: Reliability, Instruction Persistence, and What Actually Changed

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1 min read
2025 - All Posts From Product With Attitude

2025 - All Posts From Product With Attitude

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4 min read
Vibecoding Cybersecurity: Survival Guide from the Expert Who Fixes Your Code After You

Vibecoding Cybersecurity: Survival Guide from the Expert Who Fixes Your Code After You

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4 min read
Awesome Claude Skills

Awesome Claude Skills

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6 min read
iFlow CLI

iFlow CLI

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3 min read
Best Vibecoding Blog Post With Tips & Tricks From Across The Web (October 2025 Edition)

Best Vibecoding Blog Post With Tips & Tricks From Across The Web (October 2025 Edition)

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1 min read
Perplexity Comet: Advanced Agentic Automation Playbook

Perplexity Comet: Advanced Agentic Automation Playbook

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1 min read
🛡️ Anti Regression Agent (Replit-Ready)

🛡️ Anti Regression Agent (Replit-Ready)

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2 min read
The Self-Improving Prompt System That Gets Smarter With Every Use - And Anyone Can Master

The Self-Improving Prompt System That Gets Smarter With Every Use - And Anyone Can Master

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2 min read
When ''Fun'' Turns Predatory: TEMU's UX

When ''Fun'' Turns Predatory: TEMU's UX

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1 min read
User Personas Are Dead. AI Powered User Models for 2025 and beyond.

User Personas Are Dead. AI Powered User Models for 2025 and beyond.

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1 min read
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