> but it's not a holy grail unless every customer brings in more than 1 friend. Only one customer in ten has to bring in more than one friend for you to see ex

> but it's not a holy grail unless every customer brings in more than 1 friend. Only one customer in ten has to bring in more than one friend for you to see exponential growth. While I don't disagree with you, that's kind of the idea behind most Internet startups.