What is required to apply? Do you look for a prototype? Do you look at user grow...

		thanesh on March 23, 2015 \| parent \| context \| favorite \| on: I Am Sam Altman, President of Y Combinator. AMA What is required to apply? Do you look for a prototype? Do you look at user growth rate over the past few months? How do you decide if an idea is really good?