> With enough traffic and revenue, you'll get a positive return on hiring a bunch of engineers to optimize things that wouldn't be worth it for smaller sites. W

> With enough traffic and revenue, you'll get a positive return on hiring a bunch of engineers to optimize things that wouldn't be worth it for smaller sites. With enough engineers you'll get a positive return on hiring engineers to make engineering more efficient. Very insightful! As a corollary, you should not staff up until there is something to optimize.