In that case, scrolling down, the other replies don't get it quite right either. An alternate way of phrasing that one would be "innovation over stability/perfectionism". It came from Facebook, where users can tolerate some minor breakage, in an era when they were cranking out all sorts features and overtaking MySpace. I think the idea is generally understood to be a good thing in the startup stage where the goal is to disrupt existing competition - if you take too long to get to market, whatever you're doing might not matter anymore.