Dave McClure's pitching advice in a nutshell:
Adam Rifkin stashed this in @davemcclure
Stashed in: Silicon Valley!
Now all we need is a common agreement about what constitutes traction.
Since that number is ever changing.
Here's a hint. 0 users is no traction. 100 million users is traction.
Somewhere between 0 and 100 million users is where no traction becomes traction.