Selling Too Early?

There was really no guarantee at that point that it was going to work out, right? Because maybe you could have tried doing it and there wouldn't be enough people who wanted a professional virtual phone system or some other problem. So what did it take to validate your idea early on? Was there some aha moment where you realize, hell yeah, this is going to workout? Or were you confident from the very beginning? "I think we were kind of young and stupid," he says.