Not sure you understood me. I'm talking about the hundreds of billion-dollar private companies that aren't on the list referenced here. Also, while Avast grew

Not sure you understood me. I'm talking about the hundreds of billion-dollar private companies that aren't on the list referenced here. Also, while Avast grew into a billion-dollar company via a very rapid growth spurt it took them 20 years to get to the start of that spurt.