What’s the best way to plan headcount?

Fred Wilson (Co-Founder and Partner at Union Square Ventures)
MBA Mondays: Optimal Headcount At Various Stages – AVC

So 5 or less while you are building product, 10 or less when you are finding product/market fit, and 25 or less while you are working on generating revenues and locking down the business model. That’s a rule of thumb for software based businesses that don’t require a large direct sales force or some other significant labor cost.