Is it your idea?You just said you "see them using..." Anyway, to validate an idea for the US Market, you need an MVP and a promising team if you want to go for

Is it your idea?You just said you "see them using..." Anyway, to validate an idea for the US Market, you need an MVP and a promising team if you want to go for Y Combinator. Yet, a team full of internationals would have a low chance of getting in.