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* Build for your customer, not for yourself.

* Make one thing very good, ignore trying to do hundreds of features at launch.

Do you mean these were mistakes, or these are correct?

Ya sorry didn't answer the question correctly. These were the lessons learned of the mistakes.

Rebuttal: Be your own customer.

You want customers, not a customer. You can only be one customer. It's probably best to build for customers, since that's how you make money.