Hacker News new | ask | show | jobs
by joseph_cooney 4628 days ago
re: The lean start-up - does it matter? I'm sure you can 'go deep' understanding the cognitive science behind why the smiling girl works, and that might give you some insights, but without perfect knowledge of the whole world you could never perfectly understand why, and instead of spending that time with deeply understanding more about the why you could run 50 other experiments to find other things that worked or didn't work.