Because to make money, people need to pay, and when people need to pay, growth slows. Their focus is on growth for the moment, and for that they need to spend.

Because to make money, people need to pay, and when people need to pay, growth slows. Their focus is on growth for the moment, and for that they need to spend. It's like playing monopoly - at the beginning of the game you concentrate on buying as many properties as you can, because you know later they will bring you profits. If you immediately start building when you have just 3 cards, then you will earn money right at the start, but you will suffer later. Facebook can sell itself at any time it wants to. Money is not the issue.