Theo - t3․gg

How to Build Cool Things

Jun 23, 2026
software engineeringproductivityproduct development
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Summary

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To build successful software projects, prioritize solving real-world problems you personally face over focusing on technical architecture.

While technical architectural details are often emphasized, the success of a software project hinges on whether it solves a genuine, useful problem. The creator argues that the most effective way to identify valuable project ideas is by working on personal challenges and allowing 'yak shaving'—the process of working on secondary tasks to solve an initial problem—to lead to larger, more impactful solutions. This iterative approach allows developers to build useful tools rather than wasting time on hypothetical projects with no real-world application.

Concepts & takeaways

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Key Points

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Worth watching if: You are a software developer struggling to find meaningful project ideas or are prone to over-engineering solutions to non-existent problems.

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