TED,TED talks,TED русский,Marketing (Interest),Physics (Field Of Study),физика,маркетинг,математика,бизнес,Dan Cobley,Дэн Кобли
TED,TED talks,TED русский,Marketing (Interest),Physics (Field Of Study),физика,маркетинг,математика,бизнес,Dan Cobley,Дэн Кобли