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What happens at 1 million users?

Drag the slider. Every jump in users breaks something new — and needs a new skill.

100

💥 What breaks

🛠️ How engineers fix it

🧮 Back-of-the-envelope math

Today, our single t2.micro peaked at … requests/sec with this hall.

🎓 Skills this stage needs

Frontend or backend was never the question.
Can you take code all the way to a million people?