This is Jack Dorsey today in the WSJ:
We definitely have a lot of plans and we stick to them and hold ourselves accountable to them. But the way we funded ourselves is not [showing investors] a 40-page business plan. It was by asking, “Do you have a credit card? I’d like to show you the new product.” Once they are hooked, say, “Here’s how we will scale. Here’s how we will build it.”