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Meh. Pay at the beginning or pay 10 times over if you're forced to re-architect.
Meh. Pay at the beginning or pay 10 times over if you're forced to re-architect.
Or never launch because you're always worrying about the millions of users you'll never get because you're too busy trying to learn NOSQL instead of just using MySQL for the first iteration.
Paying 10 times the cost in the future may be easier than paying the cost today.