Colin's spot on. If they are truly co-founders and not just early employees with a lot of stock, they have to believe the idea is just as much theirs as it is

Colin's spot on. If they are truly co-founders and not just early employees with a lot of stock, they have to believe the idea is just as much theirs as it is yours. I'm moving to SF soon hoping to team up with some co-founders. But I'm not going with any preconceived ideas of what kind of startup I want to pursue.