وقد كان هذا فعالا حقا، لأن الناس الذين لا يصدقون افتراضاتنا بامكانهم تجربة افتراضاتهم الخاصة لرؤية مذا فعاليتها.
And that was really effective, because people that didn't believe our assumptions could try their own assumptions and see how it would work.