The same concept was advocated by 37signals/Fried, in Rework: > Let your customers outgrow you [...] When you let customers outgrow you, you'll most likely win

The same concept was advocated by 37signals/Fried, in Rework: > Let your customers outgrow you [...] When you let customers outgrow you, you'll most likely wind up with a product that's basic--and that's fine. Small, simple, basic needs are constant. There's an endless supply of customers who need exactly that.