The first floor of the bic camera electronics store , a mammoth eight-story building covering an entire block here , is ground zero for japan 's electronics industry .
He points at the huge contribution they made to global growth , about half of it according to some estimates , and to the rapid expansion of trade between the bic economies .
At the yurakucho flagship store of bic camera , one of japan 's largest electronics retailers , hundreds of gamers queued through a cold , damp night .